Porsche 911 Carrera (2010 year). Manual - part 4
Parking brake warning light USA
Brakes
Brake system function
f Make it a habit to check the operation of your
Your Porsche is equipped with a power assisted
Parking brake warning light
brakes before driving.
hydraulic dual circuit brake system with disc
Canada
brakes at the front and rear.
Keep in mind that the braking distance increases
Both circuits function independently. One brake
The warning lights in the instrument panel and on-
very rapidly as the speed increases. At 60 mph or
circuit operates the front and the other operates
board computer will go out after the parking brake
100 km/h, for example, it is not twice but four
the rear.
is fully released.
times longer than 30 mph or 50 km/h. Tire trac-
The warning lights are not an indicator that the
tion is also less effective when the roads are wet
If one brake circuit has failed, the other will still op-
parking brake is fully set; it is only intended to be
or slippery.
erate. However, you will notice an increased pedal
a warning to release the parking brake before
travel when you apply the brakes.
f Therefore, always maintain a safe distance
driving the car.
Failure of one brake circuit will cause the stopping
from the car in front of you.
distance to increase.
Caution!
Vehicles without Porsche Ceramic Compos-
Warning!
ite Brake (PCCB)
A partially engaged brake will overheat the
rear brakes, reduce their effectiveness and
Even though the brake discs consist of alloyed
Risk of an accident, resulting in serious per-
cause excessive wear.
grey cast iron, they will unavoidably start to cor-
sonal injury or death.
rode if your car is parked for an extended period.
In the unlikely event of hydraulic failure of
f Release the parking brake fully.
The brakes will tend to “rub” as a result.
one brake circuit:
The nature, extent and effects of corrosion de-
f When parking your car, always set the parking
f Push the brake pedal down firmly and hold it in
pend on the amount of time the vehicle was
brake by pulling all the way up on the lever.
that position.
parked, whether granular or liquid road salt was
A mechanical linkage activates the second cir-
f Move the selector lever to “P” (PDK) or move
spread and whether grease-dissolving agents
cuit, and you will be able to bring the vehicle to
the gearshift lever to reverse or first gear
were used in car washes.
a stop.
(Manual transmission).
To prevent corrosion of the brake discs, “brake
them dry” before parking the car.
f After bringing your vehicle to a complete stop,
f On hills also turn the front wheels towards the
If the braking comfort is noticeably impaired, we
avoid driving the vehicle and instead have it
curb.
recommend having the brake system checked by
towed to the nearest authorized Porsche deal-
experts at an authorized Porsche dealer.
er for repair.
58 Operation, Safety
Brake system warning light
Brake pedal
Warning!
You can check the functionality of the brake
To avoid overheating and premature wear of
Warning!
system warning light by switching the ignition to
the brakes:
the "On" position and verifying that the warning
Risk of an accident, resulting in serious per-
f
Before descending a steep grade, reduce
light illuminates.
sonal injury or death.
speed and shift the transmission into a lower
Any obstruction of the brake pedal could
gear or driving position to control speed.
Brake warning light USA
increase the stopping distance.
f
Do not “ride the brakes” by resting your foot on
f Always check the movement of the brake pedal
the pedal when not intending to apply brake
Brake warning light Canada
before driving and make sure that it is not ob-
pressure.
structed by a floor mat or any other object.
If the warning lights in the instrument panel and on-
f
Do not hold the pedal down too long or too
f Secure the floor mat to prevent it from sliding
often.
board computer go on while driving, the brake flu-
into positions that could interfere with the safe
This could cause the brakes to get hot and not
id level may be too low, or (if the brake pedal travel
operation of your vehicle.
has increased) one of the two brake circuits may
function properly.
Your Porsche dealer will be glad to offer you
have failed.
nonskid floor mats of the correct size.
A greater braking pressure will be required, stop-
ping distances will be longer and the braking be-
Note
havior will change, particularly in curves.
In case one of the two brake circuits fails, in-
With correctly adjusted brakes, and a correctly
creased pedal travel is required to bring your
working brake system, the pedal travel to the
vehicle to a full stop.
point of brake actuation should be 1-3/16 in. to
1-9/16 in. or 30 to 40 mm.
Whenever the brake pedal travel exceeds this dis-
tance, have the brake system checked.
59
Operation, Safety
Brake booster
Brake wear
Brake pads
The brake booster assists braking only when
Your car has excellent brakes, but they are still
Wear on the brake pads and brake discs depends
the engine is running.
subject to wear. The rate at which they wear de-
to a great extent on the driving style and the con-
pends on how the brakes are used.
ditions of use and therefore cannot be expressed
When the car is moving while the engine is not run-
in actual miles on the road.
ning, or if the brake booster is defective, more
f Have the brake system inspected at the
pressure on the brake pedal is required to bring
intervals recommended in your Maintenance
The high-performance brake system is designed
the car to a stop.
Booklet.
for optimal braking effect at all speeds and tem-
If this happens, ABS and PSM will also not oper-
peratures.
ate.
Brake system warning light
Certain speeds, braking forces and ambient
conditions (such as temperature and humidity)
Moisture or road salt on brakes affects braking.
You can check the functionality of the brake
therefore might cause “brake noises”.
When the vehicle is driven on salted or sanded
system warning light by switching the ignition to
roads for extended periods, the brakes should be
the "On" position and verifying that the warning
New brake pads or linings
washed down thoroughly about every 2 weeks. An
light illuminates.
automatic carwash facility cannot do this job prop-
New brake pads and brake discs have to be “bro-
erly.
Warning light USA
ken in”, and therefore only attain optimal friction
Brakes will dry after a few cautious brake applica-
when the car has covered several hundred miles
tions.
or km.
Warning light Canada
The slightly reduced braking ability must be com-
pensated for by pressing the brake pedal harder.
Warning!
If the warning lights in the instrument panel and on-
This also applies whenever the brake pads and
Risk of an accident, resulting in serious per-
board computer stay on when the engine is run-
brake discs are replaced.
sonal injury or death.
ning or come on while driving, the brake pads are
Driving through water may reduce the trac-
worn excessively.
tion.
f Do not continue to operate the vehicle.
Moisture on brakes from road water, car
Have your authorized Porsche dealer inspect
wash, or coating of road salt may affect
or replace the brake pads.
braking efficiency.
f Cautiously apply brakes to test brakes after ex-
posure to road water, etc.
60 Operation, Safety
Warning!
Operation of the ABS system
ABS Brake System
(Antilock Brake System)
The increased control that is provided should
A wheel speed sensor is mounted to each of the
not induce you to take greater risks with your
four wheels. If wheel lock-up of either of the front
The ABS system represents a major contribution
safety. The limits dictated by the laws of
wheels or the rear wheels is sensed during brak-
to the enhancement of active safety in your vehi-
physics cannot be overcome, even with ABS.
ing, the brake pressure is adjusted automatically
cle. This system prevents the wheels from locking
The risk of accidents due to inappropriate
until the wheel no longer slips.
in a panic stop on almost all road surfaces.
speed cannot be reduced, even by the ABS.
The driver bears the responsibility for all
If braking forces approach the wheel lock-up point
With the ABS system in your vehicle, the
driving maneuvers.
for all wheels (panic braking) the ABS system will
following areas are enhanced:
intervene to provide a rapid rythmic braking. The
f Adapt your driving style to the prevailing road
Steering, vehicle remains steerable under all
proper operation of ABS is perceived by the driver
and weather conditions.
braking forces when ABS is engaged.
as a pulsating brake pedal in conjunction with au-
f Obey all traffic laws.
dible noise and perhaps some vibration.
Good directional control, no swerving caused
by locking of wheels under braking conditions.
Other vehicles not equipped with the ABS
f If you experience these sensations while driv-
system may not be able to maintain control,
ing or a road surface with questionable trac-
Shorter stopping distance, stopping distances
especially on wet or poor road surfaces and
tion, reduce vehicle speed appropriate for the
are usually reduced because controlled braking is
thus may be more likely to impact you from
prevailing road conditions.
maximized.
behind.
f If full braking should be necessary, press the
Prevention of wheel lock up, no brake- induced
f To minimize that risk, use your ABS system to
brake pedal all the way down throughout the
sliding and thus no localized tire wear from emer-
increase your ability to maneuver to avoid dan-
entire braking procedure, regardless of the pul-
gency braking.
gerous situations and not merely to try to stop
sating pedal. Do not ease up on pressure ap-
The crucial advantage of the ABS system over a
in the shortest distance possible.
plied to the pedal.
conventional brake system is in the area of main-
The functional readiness of all the main electrical
taining directional control and maneuverability of
components of the ABS is checked by an
the car in emergency situations.
electronic monitoring system both before and
while you drive.
Operation, Safety
61
Warning!
Warning light USA
Clutch Pedal
Risk of an accident, resulting in serious per-
The clutch pedal must be depressed fully
sonal injury or death.
Warning light Canada
before the starter will engage.
The control unit of the ABS brake system is
set for standard tire size. If non-standard
When the ignition is switched on the ABS warning
tires are installed, the control unit may mis-
Warning!
light will light up while the system is electronically
interpret the speed of the vehicle, because of
Risk of an accident, resulting in serious per-
interrogated and goes out when the engine is
the variant data it receives from the sensors
sonal injury or death.
started if the check is not yet complete.
on the axles.
If the ABS warning lamp fails to go out, this indi-
f Always check the movement of the clutch ped-
cates that ABS has been deactivated due to a
f Use only tire makes and types tested by
al before driving and make sure that it is not
fault. If the warning lights in the instrument panel
Porsche.
obstructed by a floor mat or any other object.
and on-board computer light up while you are driv-
f Secure the floor mat to prevent it from sliding
ing, this indicates that a fault has occurred. In both
into positions that could interfere with the safe
cases, normal braking, as in vehicles without ABS,
operation of your vehicle.
is still retained.
Your Porsche dealer will be glad to offer you
The ABS system should, however, be examined at
nonskid floor mats of the correct size.
an authorized Porsche dealer immediately to pre-
To avoid damage to the clutch and transmis-
vent the occurrence of further faults.
sion:
f If the ABS system becomes inoperative, take
f Always depress the clutch pedal fully when
your vehicle to your authorized Porsche dealer
changing gears.
immediately.
f Do not hold the car on a steep grade with the
clutch pedal partially depressed.
Should the free travel of the clutch pedal suddenly
become larger, it could mean a malfunction of the
clutch.
f See your Porsche dealer for correction.
62 Operation, Safety
Porsche Traction Management
Dynamometer testing procedure
Brake tests
(PTM)
Some U.S. states and Canadian provinces con-
Brake tests must be performed only on plate-type
duct emissions inspection/maintenance testing in-
test stands or roller test stands.
With PTM, the engine power is variably distributed
volving the use of two-wheel dynamometer.
to the front and rear wheels.
A two-wheeled dynamometer is a treadmill type
The ignition must be off.
Power distribution between the front and rear ax-
device upon which a single axle of the car, the dri-
les is performed by a map-conrolled multiple-disc
The following limit values must not be exceeded
ving axle of the vehicle, rotates to simulate vehicle
clutch.
on roller test stands:
operation on the road while the vehicle remains
Distribution of the engine power also depends on
- Testing speed 5 mph (8 km/h)
stationary.
the difference in wheel speed between the two ax-
Your vehicle has a full-time four-wheel drive system
- Test duration 20 seconds
les.
which cannot be disabled. Severe damage to the
The multiple-disc clutch always delivers sufficient
powertrain can result if tested on a two-wheel dy-
Handbrake tests
drive power to the front wheels to ensure optimum
namometer.
propulsion even on an unfavorable road surface.
Handbrake tests on the roller test stand must only
In combination with the Porsche Stability Manage-
be carried out with the ignition switched off.
Warning!
ment (PSM), the PTM ensures optimum handling
and high driving stability.
Risk of severe powertrain damage and a pos-
Balancing wheels on the vehicle
sible unexpected movement of the vehicle.
Warning!
f Do not test your vehicle on a two-wheel dyna-
During finish balancing of the wheels, the vehicle
mometer.
must be hoisted and all the wheels able to rotate
The increased control that is provided should
freely.
not induce you to take greater risks with your
f Advise the emission station of this warning be-
safety. The limits dictated by the laws of phy-
fore testing the vehicle.
sics cannot be overcome, even with PTM.
Towing
The risk of accidents due to inappropriate
speed cannot be reduced, even by PTM.
f Please see the chapter “TOWING” on
The driver bears the responsibility for all dri-
Page 280.
ving maneuvers.
Wheels/Tires
f Adapt your driving style to the prevailing road
and weather conditions.
The PTM control unit is adapted to the approved
f Obey all traffic laws.
tire sizes. The use of non-approved tire sizes may
lead to deviations in wheel speeds and it may influ-
ence handling or result in the PTM switching off.
Operation, Safety
63
-
The rpm limiter characteristic is “harder”, i.e.
Switching Sport mode on and off
Sport Mode
the engine is immediately throttled when the
A sportier car set-up is obtained when Sport mode
performance limits are reached (only in manual
Switching Sport mode on and off simultaneously
is switched on. Interventions by the Porsche
selection mode for vehicles with PDK transmis-
activates and deactivates the Sport mode in
control systems are intentionally shifted towards
sion).
PASM.
greater agility and driving performance:
If PASM Sport mode was activated with the PASM
f
Please observe the chapters on PSM, PASM
button, PASM remains active.
-
PASM (Porsche Active Suspension Manage-
and PDK.
ment) is automatically changed to Sport mode,
After the ignition is switched off, Sport mode is
resulting in a stiffer suspension setup.
automatically reset to Normal mode.
-
When Sport mode is active, the PDK transmis-
SPORT button
sion switches to a sporty gear-changing map
and shortens the gear shifting times. Gear
f Press SPORT button A in the center console.
changes take place faster, but fuel consump-
When Sport mode is switched on, the light-
tion is also increased.
emitting diode in the SPORT button is lit.
PSM (Porsche Stability Management) control
A sporty gear-changing map is enabled and the
gives a sportier road-feel to the vehicle. PSM
gear shifting times are shortened for the PDK
interventions take place later than in Normal
transmission.
mode. The driver can maneuver the vehicle
A sporty driving style is recognized more quickly
with greater agility at its performance limits,
and the gear-changing speeds are adapted to
without having to dispense with the assistance
driving performance.
of PSM in emergency situations. This helps to
achieve optimal lap times, particularly on race
Deceleration downshifts are commenced earlier.
circuits with a dry road surface.
Downshifts are made during slight decelerations,
even at higher engine speeds.
-
The electronic accelerator pedal reacts
sooner, and the engine is more responsive to
f Please see the chapter “SPORT MODE
throttle inputs. When Sport mode is switched
(“SPORT” AND “SPORT PLUS” MODES)” on
Page 172.
on, this function is activated only after the
driver has floored the accelerator pedal or
released it briefly.
64 Operation, Safety
SPORT PLUS button
When mode “Sport” is switched on, the logo
When mode “Sport Plus” is switched on, the logo
(only on vehicles with PDK transmission)
SPORT appears next to the digital speedometer.
SPORT PLUS appears next to the digital
speedometer.
In “Sport Plus” mode, the PDK transmission
changes to a shift program designed for driving
on race circuits. 7th gear is not selected.
The gear-changing performance is enhanced
significantly again compared with “Sport” mode.
f Please see the chapter “SPORT MODE
(“SPORT” AND “SPORT PLUS” MODES)” on
Page 172.
f Press SPORT PLUS button B in the center
console.
When Sport mode is switched on, the light-
emitting diode in the SPORT PLUS button is lit.
Operation, Safety
65
PSM uses these values to determine the direction
Examples of PSM control operations
Porsche Stability Management
of travel indicated by the driver.
(PSM)
PSM intervenes and helps to correct the course if
- If the front wheels of the vehicle drift on a
the actual direction of motion deviates from the
bend, the rear wheel on the inside of the bend
PSM is an active control system for stabilization of
chosen course (steering-wheel position):
is braked and the engine power is reduced if
the vehicle approaching the performance limits of
It brakes individual wheels as needed. In addition,
necessary.
driving maneuvers.
the engine power may be manipulated in order to
- If the rear of the vehicle swings out on a bend,
stabilize the vehicle.
Warning!
the front wheel on the outside of the bend is
The events below inform the driver of PSM control
braked.
Risk of an accident, resulting in serious per-
operations and warn him/her to adapt his/her
sonal injury or death.
driving style to the road conditions:
The increased control that is provided should
Additional braking functions
not induce you to take greater risks with your
-
The multifunctional information light on the
safety. The limits dictated by the laws of
- Pre-filling the brake system:
instrument panel flashes.
physics cannot be overcome, even with PSM.
The brake system is prepared for possible
-
Hydraulic noises can be heard.
subsequent emergency braking if the acceler-
The risk of accidents due to inappropriate
ator pedal is released suddenly and quickly.
speed cannot be reduced, even by PSM.
–
The vehicle decelerates and steering-wheel
The brake system is prefilled and the brake
The driver bears the responsibility for all
forces are altered as the PSM controls the
pads are already applied gently to the brake
driving maneuvers.
brakes.
discs.
f Adapt your driving style to the prevailing road
-
Reduced engine power.
- Brake booster:
and weather conditions.
-
The brake pedal pulsates and its position is
In the event of an emergency braking operation
f Obey all traffic laws.
changed during braking.
where the pedal force is insufficient, a brake
In order to achieve full vehicle deceleration,
booster provides the braking pressure neces-
Sensors at the wheels, brakes, steering system
foot pressure must be increased after the
sary for maximum deceleration at all 4 wheels.
and engine continuously measure:
brake pedal has begun vibrating.
- Speed
Advantages of PSM
- Direction of travel (steering angle)
- Best possible traction and lane-holding ability
- Lateral acceleration
in all driving situations - even on road surfaces
with varying friction.
- Rate of turn about the vertical axis
- Longitudinal acceleration
66 Operation, Safety
- The system compensates for undesired lateral
The following functions stabilize the vehicle in
vehicle reactions when the driver releases the
emergency situations, even with PSM switched
accelerator pedal or brakes when cornering.
off:
This compensation functions up to the
- When PSM is off, the vehicle is stabilized as
maximum lateral acceleration.
soon as one of the two front wheels enters the
- PSM actively stabilizes the vehicle as required
ABS control range.
during dynamic driving maneuvers (e.g. rapid
- When PSM is off and Sport mode is on, the
steering movements, during lane changes or
vehicle is stabilized as soon as both front
on alternating bends).
wheels enter the ABS control range.
- Improved braking stability on bends and on
One-sided spinning of the wheels is prevented,
different or varying road surfaces.
even with PSM switched off.
- It improves braking function and shortens
stopping distance in the event of emergency
Switching PSM back on
braking.
f Press PSM OFF button.
Readiness for operation
PSM is switched on after a short delay.
The light-emitting diode in the button and the
Switching off PSM
PSM is switched on automatically every time you
PSM multifunctional light on the instrument
start the engine.
panel go out.
f Press PSM OFF button.
PSM is switched off after a short delay.
The on-board computer shows a message.
PSM should always be switched on during
The light-emitting diode in the button is lit up.
“normal” driving.
When the PSM is switched off, the PSM multi-
However, it may be advantageous to switch off
functional light on the instrument panel is lit
PSM temporarily in exceptional situations, for
and a message is shown on the on-board
example:
computer.
- On a loose surface or in deep snow,
An acoustic signal also sounds.
- When “rocking” the vehicle free and
Note
– When using snow chains.
When PSM is switched off, the additional braking
functions are deactivated. Automatic reactivation
in emergency situations is linked to the PSM
control.
Operation, Safety
67
Sport mode
f
Please have the fault remedied at an author-
Towing
ized Porsche dealer.
A sportier car set-up is obtained when Sport or
f Please see the chapter “TOWING” on
f
Please see the chapter “PUTTING VEHICLE
Sport Plus mode is switched on.
Page 280.
INTO OPERATION” on Page
263.
PSM interventions are later than in Normal mode;
the vehicle can be maneuverd with greater agility
Checks on test stands
at its performance limits, without dispensing with
the assistance of PSM in emergency situations.
Brake tests
This helps to achieve optimal lap times, particu-
Brake tests must be performed only on plate-type
larly on race circuits and a dry road surface.
test stands or roller test stands.
The ignition must be switched off.
PSM multifunctional light
The following limit values must not be exceeded
- The multifunctional light on the instrument
on roller test stands:
panel lights up for a lamp check when the
ignition is switched on.
- Testing speed 5 mph (8 km/h)
- The light indicates a control operation by
- Test duration 20 seconds
flashing, including when PSM is switched off
(brake control in the event of one-sided wheel
Handbrake tests
spin).
Handbrake tests on the roller test stand must be
performed only with the ignition switched off.
- In conjunction with a message on the on-board
computer, the light indicates that PSM is
switched off.
An acoustic signal also sounds.
- The light indicates a fault in conjunction with a
message on the on-board computer.
PSM is out of order.
68 Operation, Safety
Porsche Active Suspension
Retractable Rear Spoiler
Management (PASM)
The rear spoiler improves driving stability,
especially at higher speeds.
PASM makes two running-gear setups available to
the driver: “Normal” and “Sport”.
The selection is made via a button on the center
Warning!
console.
Risk of accident. If the rear spoiler cannot be
In Normal mode the running gear is in a comfort-
extended, driving stability will be adversely
able setup.
affected by increased rear axle lift, which
Sport mode offers very sporty shock absorber
could lead to loss of control.
tuning.
f Adapt your driving style and speed to the
changed driving behavior.
The variable suspension system selects the appro-
priate damping level for each wheel according to
f Have the fault remedied at an authorized
the situation and driving conditions.
Porsche dealer.
Example:
Risk of injury during manual retraction or
If the vehicle is driven in a very sporty manner in
extension of the rear spoiler with the vehicle
Normal mode, PASM automatically adapts the
Switching on PASM Sport mode
stationary.
shock-absorber behavior to the driving situation
accordingly.
f Press PASM button in the center console.
f Make sure that no persons or objects are
within the range of movement of the rear
When PASM Sport mode is switched on, the
spoiler.
light-emitting diode in the button is lit up and a
message is shown on the on-board computer.
Risk of damage from pushing the vehicle by
the spoiler.
Switching off PASM Sport mode
f Do not push the vehicle at the spoiler.
f Press PASM button in the center console.
The light-emitting diode in the button goes out
and the on-board computer displays a
message.
After the ignition is switched off, PASM is
automatically reset to Normal mode.
Operation, Safety
69
Automatic mode
Retracting a manually extended rear spoiler
f
at speeds between 0 and 20 mph
The limits for automatic extension and retraction
(0 and 30 km/h)
of the spoiler depend on various circumstances
Press and hold button until the rear spoiler has
(e.g. driving speed, engine compartment temper-
reached its final position.
ature).
The light-emitting diode in the button goes out.
If automatic control fails, a warning message is
The rear spoiler changes to automatic mode.
displayed by the on-board computer.
f
at speeds between 20 and 60 mph
(30 and 100 km/h)
Engine compartment temperature
Press button briefly.
under 122 °F/55 °C
The rear spoiler retracts, the light-emitting
Spoiler extends at 75 mph/120 km/h and
diode in the button goes out.
retracts at 37 mph/60 km/h.
The rear spoiler changes to automatic mode.
Engine compartment temperature
f
at speeds over 60 mph (100 km/h)
over 140 °F/60 °C
Press button briefly.
The rear spoiler remains extended, the light-
Spoiler extends at 50 mph/80 km/h and retracts
emitting diode in the button goes out.
at 19 mph/30 km/h.
Manual control
The rear spoiler changes to automatic mode.
When the ignition is on, the rear spoiler can be
extended and retracted manually using the button
in the center console.
Extending
f Press button briefly.
The spoiler extends to its final position.
The light-emitting diode in the button lights up.
70 Operation, Safety
For vehicles with automatic anti-dazzle
Orientation light
mirrors
A light-emitting diode at the bottom of the interior
f Switch off the automatic anti-dazzle operation
mirror improves orientation in the passenger com-
of the mirrors before you switch on the interior
partment when it is dark.
light.
Otherwise the mirrors may accidentally swivel
Note on operation
into the anti-dazzle position.
On vehicles with the Sport Chrono Package Plus,
the brightness of the orientation light can be
Interior lights, reading lights
changed in PCM.
Switching off
f Please observe the chapter “Individual
Memory” in the separate PCM operating
f Press left half of switch.
instructions.
Switching to continuous illumination
f Press right half of switch.
Switching on and off automatically
A, C - Switch for reading light on driver/passenger side
B - Switch for interior light and footwell lights
f Move switch to center position.
D - Orientation light
The interior and footwell lights are switched
Interior Lights
on when a door is unlocked or opened or when
the ignition key is withdrawn from the ignition
f Please see the chapter “LOAD SWITCH-OFF
lock.
AFTER 2 HOURS OR 7 DAYS” on Page 258.
The lights are switched off with a delay of
approx. 2 minutes after the doors are closed.
The light goes out immediately as soon as the
ignition is switched on or the vehicle is locked.
Operation, Safety
71
Note
Parking Aids
The sensors must always be kept free of dirt, ice
Parking assistant
and snow in order to ensure that they are fully
functional.
When the driver backs up, the parking assistant
system indicates the distance between the car
Caution!
and a large obstacle behind it, by means of signal
To avoid damaging the sensors:
tones.
f Maintain sufficient distance when cleaning with
Warning!
steam-jet units.
Risk of serious personal injury or death.
Parking assistant cannot detect small ob-
Signal tones/function
jects such as children and pets.
When reverse gear is selected, the parking
Despite use of the parking assistant system,
assistant confirms that it is switched on by issuing
the driver is still responsible for taking due
a short signal tone.
care and assessing obstacles when backing
A detected obstacle is signalled by an intermit-
up.
tent tone. The intervals decrease as the obstacle
Ultrasound sensors
f Make sure that no persons, especially small
is approached.
children, animals or obstacles are within the
A continuous tone sounds when the distance
Sensors
maneuvering area.
becomes less than one foot. This continuous tone
Four ultrasound sensors in the rear bumper meas-
can stop if the obstacle is approached closer than
The parking assistant system is activated auto-
ure the distance to the closest obstacle.
one foot.
matically when reverse gear is selected and the ig-
The radio volume should not be so loud as to
- Range middle sensors around 60 in./150 cm
nition is on.
drown out the signal tones.
- Range outer sensors around 24 in./60 cm
Note
Obstacles cannot be detected in the “blind” sen-
Be aware that the parking assistant system is
sor area (e.g. near the ground).
not switched on if the car rolls backward without
reverse gear being engaged.
72 Operation, Safety
Limits of ultrasonic measurement
Preconditions
The parking assistant system cannot detect:
- Vehicle must be equipped with seat memory.
- sound-absorbing obstacles (e.g. powder
- Set the control switch A to “passenger’s side”.
snow),
- Reverse gear must be engaged.
- sound-reflecting obstacles (e.g. glass surfac-
es, flat painted surfaces)
Returning mirror glass to its original position
- and very thin obstacles.
f Drive forwards with a speed of over 4 mph
(6 km/h) or
- Other ultrasound sources (e.g. pneumatic
brakes of other vehicles, jackhammers) can
f Set the control switch A to “driver’s side”.
interfere with detection of obstacles.
Fault indication
The parking assistant system indicates a fault in
two ways:
- After reverse gear has been selected, the
short signal tone is followed by a continuous
A- Control switch for door mirror adjustment
tone of the same pitch:
This indicates that sensors are soiled or cov-
Swivelling down mirror glass as a parking
ered with ice.
aid
- After reverse gear has been selected, the
f Please see the chapter “SEAT MEMORY” on
short signal tone is followed by a continuous
Page 33.
tone with a much lower pitch:
This indicates a general system fault.
- When reverse gear is engaged, the mirror
Please have the fault remedied at an author-
glass on the passenger’s side swivels down
ized Porsche dealer.
slightly to show the curb area.
Operation, Safety
73
f Please see the chapter “KEY WITH RADIO RE-
Switch position 1
MOTE CONTROL” on Page 16.
Ignition on
Before starting the engine
f Turn ignition key to position 1.
Ignition is switched on.
f Apply the footbrake.
Note on operation
f Manual transmission:
Move the gearshift lever into neutral.
All electrical equipment can be switched on.
The clutch pedal must be depressed fully
f
Please see the chapter “WARNINGS ON THE
before the starter will engage.
INSTRUMENT PANEL AND THE ON-BOARD
f In vehicles with PDK transmission:
COMPUTER” on Page 158.
Move PDK selector lever to position P or N.
Switch position 0
Initial position
The ignition key cannot be withdrawn when the
O - Initial position
1 - Ignition on
ignition is switched on or when the engine has
2 - Start engine
been started.
3 - Ignition off
To withdraw the ignition key:
f Stop the vehicle.
Ignition/Starter Switch with
anti-theft Steering Lock
f In vehicles with PDK transmission:
Move PDK selector lever to position P.
The ignition lock has a total of four ignition lock po-
f Switch ignition off.
sitions.
The ignition key rebounds to the initial position
f Remove ignition key.
from every ignition lock position.
f For your safety, fasten safety belts.
f Please see the chapter “IMMOBILIZER” on
Page 15.
74 Operation, Safety