Content      ..     10      11      12      13     ..

Porsche Panamera (2010 year). Manual - part 12

Kickdown

The kickdown function is active in selector-lever

positions D and M.

f For optimum acceleration, e.g. when

overtaking, press the accelerator pedal

beyond the full-throttle point (kickdown).

The transmission shifts down depending on

the speed of travel and engine speed.

Upshifts occur at the highest possible engine

speeds.

M - Manual selection mode

Shifting up +

f Press the PDK selector lever or shift button on

The currently engaged gear is retained when you

the steering wheel forward.

change from D to M.

If you change from M to D, the gear-changing map

suitable for your current driving style is selected

and the appropriate gear is selected.

The selector lever and the two shift buttons in the

upper steering-wheel spokes let you select the

seven forward gears comfortably and reliably.

Driving and Driving Safety

197

Shifting down -

To shift up automatically at the upper engine-

speed limit:

f Pull the PDK selector lever or shift button on

the steering wheel back.

f Press the accelerator pedal beyond the full-

throttle point (kickdown).

You can shift up or down by the corresponding

number of gears by quickly pressing or pulling the

Failure of the selector lever display on the

shift buttons or selector lever several times in

instrument panel

succession.

The warning “Gearbox emergency operation”

The transmission can be shifted up or down by

appears in red on the multi-function display.

several gears in succession by continuously

operating the selector lever or shift buttons.

Effect:

You can shift up or down at any time depending

- No selector-lever position is displayed on

on driving speed and engine speed.

the instrument panel.

Vehicle can be driven only until it comes to

Gear changes that would exceed the upper or

a stop.

lower engine-speed limit are not executed by the

control unit.

Action required:

f

It is not possible to continue driving. Stop the

Upshift prompt for fuel-economy-optimised

There is no automatic upshift at the upper engine-

driving

speed limit in selector-lever position M. Upshift

vehicle immediately in a suitable place. Have

suppression can be cancelled by kickdown

the vehicle towed to a qualified specialist

The consumption-oriented upshift indicator A in

operation. If, for example, the engine-speed limit

workshop.

the tachometer at the right beside the digital

is reached during overtaking and an automatic

speed display helps you to develop a fuel-saving

f

Please see the chapter “TOWING” on

upshift does not occur, the transmission shifts up

driving style.

page 316.

in this case as a result of kickdown operation.

The upshift indicator lights up - prompting you to

shift up to the next-higher gear - depending on the

f Select an appropriately low gear on upward

selected gear, engine speed and accelerator

and downward slopes.

pedal position.

This will ensure optimum use of engine power

The upshift indicator is only active when “Sport” or

and engine braking.

“Sport Plus” mode is switched off.

f Change to the next-higher gear when the

upshift indicator lights up.

198 Driving and Driving Safety

PDK selector lever emergency release

In the event of an electronics failure, the PDK

selector lever can only be moved from selector-

lever position P if an emergency release operation

has already been performed.

Note

If a selector lever emergency release was

performed, the vehicle must not be towed.

f Please see the chapter “TOWING” on

page 316.

f Secure the vehicle to prevent it from

rolling away.

1. Open the ashtray.

3. Close the ashtray lid approx. 45° and hold it

at that position.

2. Remove the ashtray insert.

4. Insert a screwdriver, for example, in through

f Swivel the spring for locking the ashtray

the opening, which is now visible at the right

approx. 20° to the left.

next to the spring, and press the release

button for the selector support down.

5. Press the selector lever release button and

move the selector lever out of position P.

The vehicle can now be moved.

6. To secure the vehicle, move the selector lever

to position P.

200 Driving and Driving Safety

Transmission and Chassis Control Systems

Your Porsche features a complex integrated system made up of all control systems acting in power transmission and in the chassis.

All control systems are networked with the aim of combining the best possible driving performance with maximum safety.

The following systems are involved, depending on equipment:

System/designation

Scope

PTM

-

Active all-wheel drive with electronically regulated map-controlled multiple-disc clutch

Porsche Traction Management

PSM

-

Driving stability control

Porsche Stability Management

-

Anti-lock brake system (ABS)

–

Brake system prefilling

–

Brake booster (Hydraulic Brake Assist)

–

Automatic brake differential (ABD)

–

Anti-slip control (ASR)

–

Engine drag torque control (MSR)

–

HOLD function: standstill management

Air suspension

-

Full load-bearing air-spring struts with integrated shock absorbers

with level control and height adjustment

-

Height adjustment with Low Level setting in “Sport Plus” mode and High Level setting for

maneuvering

PASM

-

Shock absorber system with adaptive, continuous shock absorber control

Porsche Active Suspension Management

PDCC

-

Active chassis control system to stabilise roll tendency of vehicle body when driving

Porsche Dynamic Chassis Control

-

Controlled rear differential lock

Driving and Driving Safety

201

Advantages of PTM

Porsche Traction Management

Porsche Stability Management

(PTM)

- Clearly perceptible improvement in traction,

(PSM)

driving stability and steering ability of the

Porsche Traction Management is an active all-

vehicle.

PSM is an active control system for stabilisation of

wheel control system designed to influence

the vehicle during extreme driving maneuvers.

- Vehicle is more manageable when driven at its

longitudinal and lateral dynamics. It is closely

It operates together with the Porsche Traction

performance limits.

linked with the Porsche Stability Management

Management (PTM) system provided the vehicle is

(PSM) system.

- Improved straight-ahead tracking and greater

fitted with the relevant equipment.

stability.

The permanently driven rear axle enhances the

PSM makes use of both the ABD and ASR

vehicle’s sporty features. Drive power is

- More sporty vehicle setup while making full use

systems, as well as the known functions of the

distributed fully variably to the front axle,

of all the advantages of four-wheel drive.

anti-lock brake system (ABS) and engine drag

depending on the driving situation.

torque control system (MSR).

- ASR and ABD further enhance traction for

In conjunction with PSM, the PTM system ensures

all wheels.

perfect distribution of power among all four

Warning!

wheels in every driving situation. This improves

For information on ASR and ABD:

In spite of the advantages of PSM, it is still the

traction and driving stability and ensures the same

f

Please see the chapter “PORSCHE STABILITY

driver’s responsibility to adapt his driving style and

high level of agility and dynamic response.

MANAGEMENT (PSM)” on page 202.

maneuvers in line with road and weather

conditions, as well as the traffic situation.

Warning!

The increased safety that is provided should not

In spite of the advantages of PTM and four-wheel

induce you to take greater risks with your safety.

drive, it is still the driver’s responsibility to adapt

The limits set by the physics of driving cannot be

his driving style and maneuvers in line with road

overcome, even with PSM.

and weather conditions, as well as the traffic

Risk of accidents due to inappropriate speed

situation.

cannot be reduced by PSM.

The increased safety that is provided should not

induce you to take greater risks with your safety.

The limits set by the physics of driving cannot be

overcome, even with PTM or four-wheel drive.

Risk of accidents due to inappropriate speed

cannot be reduced by PTM or four-wheel drive.

202 Driving and Driving Safety

- Brake system prefilling:

Automatic brake differential (ABD)

The brake system is prepared for possible

The ABD system controls the front and rear axles

subsequent emergency braking if the

separately. If one wheel of an axle starts to spin,

accelerator pedal is released suddenly and

it is braked so that the other wheel on the same

quickly. The brake system is prefilled and the

axle can be driven.

brake pads are already applied gently to the

brake discs.

ABD recognizes different driving states, and it

features control strategies adapted to these

- Brake booster (Hydraulic Brake Assist):

states. In situations in which little propulsive power

In the event of an emergency braking operation

is required, such as when the vehicle moves off on

where the pedal force is insufficient, a brake

a level gravel surface, traction control already

booster provides the braking pressure

becomes active at low engine speeds. If a large

necessary for maximum deceleration at all

amount of propulsive power is required, e.g. when

4 wheels.

driving off on an uphill slope or for rapid

acceleration, the ABD system is adapted

Combined operation of PSM and PTM

accordingly.

In order to ensure optimum stabilisation of the

vehicle, torque distribution between the front and

Anti-slip control (ASR)

rear wheels is adapted and the rear differential

Switching off PSM

The anti-slip control system prevents the wheels

lock is controlled on vehicles with PDCC.

from spinning by adjusting the engine power,

f Press button for at least 1 second.

In the event of a PTM fault, PSM cannot be

thereby ensuring good lane-holding ability and

PSM is switched off after a short delay.

switched off.

stable handling.

The indicator light on the button and the

If PSM is switched off, it is switched on again

Engine drag torque control (MSR)

PSM OFF warning light on the instrument

automatically.

panel light up.

In conditions of excessive slip, the engine

The warning “PSM off” appears on the

drag torque control system prevents all driven

multi-function display in the instrument panel.

wheels from locking up when the vehicle is

overrunning. This is also the case for downshifts

on a slippery road.

204 Driving and Driving Safety

When you brake in the ABS control range,

Switching PSM back on

PSM warning light

the vehicle is stabilised even when PSM is

switched off.

f Press button

- The PSM warning light on the instrument panel

PSM is active immediately.

One-sided spinning of the wheels is prevented,

lights up for a lamp check when the ignition is

The indicator light on the button and the

even with PSM switched off.

switched on.

PSM OFF warning light on the instrument

PSM should always be switched on during

panel go out.

- The light indicates a control operation, even

“normal” driving.

The message “PSM switched on” appears on

when PSM is switched off, e.g. brake control in

However, it may be a good idea to switch off PSM

the multi-function display in the instrument

the event of one-sided wheel spin.

temporarily in exceptional situations:

panel.

- The light - in conjunction with the multi-function

- On a loose surface and in deep snow.

display - indicates a fault.

“Sport Plus” mode

The warning message “PSM failure” appears

- When “rocking the vehicle free”.

on the multi-function display in the instrument

A sportier setup is obtained when “Sport Plus”

- When using snow chains.

panel.

mode is switched on.

PSM interventions occur later than in Normal

For information on warning messages on the multi-

Tip on driving

mode. The vehicle can be maneuvered with

function display:

The vehicle retains its enhanced braking readiness

greater agility at its performance limits, without

f Please see the chapter “OVERVIEW OF

through prefilling of the brake system even when

having to dispense with the assistance of PSM in

WARNING MESSAGES” on page 152.

PSM is switched off.

emergency situations. This helps to achieve

When PSM is switched off, wheel-specific brake

optimal lap times, particularly on race circuits and

f Adapt your driving style according to the

interventions and the anti-slip control system (ASR)

on a dry road surface.

changed conditions.

are also switched off.

f Contact a qualified specialist workshop in

The automatic brake differential (ABD) remains on.

order to correct the fault. We recommend that

you have an authorized Porsche dealer to do

Adaptive cruise control is deactivated when PSM

this work, as they have the trained workshop

is switched off.

personnel and the necessary parts and tools

When PSM is switched off, the slip monitoring

for this type of work.

function of Porsche Doppelkupplung (PDK) is also

deactivated.

Towing

For information on towing:

f Please see the chapter “TOWING” on

page 316.

Driving and Driving Safety

205

HOLD function: Drive-Off Assistant and

Warning!

Danger!

standstill management

In spite of the advantages of the HOLD function, it

Risk of accidents. The limits set by physics of

is still the driver’s responsibility to adapt his

driving cannot be overcome, even with HOLD

The HOLD function assists the driver when

driving style and maneuvers in line with road and

function. The responsibility for stopping and

stopping and driving off on upward slopes.

weather conditions, as well as the traffic situation.

driving off on uphill gradients is still the

The vehicle is automatically prevented from rolling

driver’s, despite the HOLD function.

back away from the desired direction of travel.

The increased safety that is provided should not

Assistance by the HOLD function is not

When the HOLD function is active, the function

induce you to take greater risks with your safety.

always guaranteed when stopping and

light

on the instrument panel lights up.

driving off on a slippery surface (e.g. on icy

When adaptive cruise control is operating

Caution!

or loose surfaces). In this case, the vehicle

normally, the HOLD function holds the vehicle

can slip.

If the vehicle comes to a stop on a steep

following automatic braking until the vehicle is

uphill gradient without operation of the

f Always adjust your driving style to the driving

actively held in a stationary position.

footbrake by the driver, this may result in a

conditions and vehicle load. Use the footbrake

Notes on operation

certain roll-back before the vehicle is held by

if necessary.

the HOLD function. In this situation, the roll-

The HOLD function is not available if the PDK

If the Drive-Off Assistant is not functioning,

back can be reduced by operating the

selector lever is in position N.

the driver cannot be assisted when driving

footbrake.

If the PDK selector lever is moved while the

off on hills.

HOLD function is active, the HOLD function is

f Assist holding of the vehicle by increasing the

f Hold the vehicle with the footbrake.

deactivated.

brake force with the footbrake.

If the driver’s seat belt is unbuckled and the

Brake pedal feels different. When adaptive

driver’s door is opened while the HOLD function is

cruise control is operating normally or when

active, the electric parking brake is activated

the HOLD function is active, the brake pedal

automatically.

may feel different and you may hear

hydraulic noises.

For information on the electric parking brake:

This behavior is normal for the system.

f Please see the chapter “ELECTRIC PARKING

It is not a fault.

BRAKE” on page 171.

206 Driving and Driving Safety

Function

Warning light USA

ABS Brake System

(Anti-Lock Brake System)

The decisive advantage of ABS lies in the driving

Warning light Canada

stability and maneuverability of the vehicle in

Warning!

hazardous situations.

If the ABS warning light lights up on the instrument

In spite of the advantages of ABS, it is still the

ABS prevents locking of the wheels during full

panel while the engine is running, the ABS has

driver’s responsibility to adapt his driving style and

braking, on almost all road surfaces, until just

switched off because of a fault.

maneuvers in line with road and weather

before the vehicle stops.

The warning message “ABS failure” appears on

conditions, as well as the traffic situation.

the multi-function display in the instrument panel.

ABS begins to control the braking process as

The increased safety that is provided should not

soon as a wheel shows a tendency to lock.

For information on warning messages on the

induce you to take greater risks with your safety.

This controlled braking process is comparable

multi-function display:

with extremely rapid cadence braking.

The limits set by the physics of driving cannot be

f Please see the chapter “OVERVIEW OF

overcome, even with ABS.

The pulsating brake pedal and a “juddering noise”

WARNING MESSAGES” on page 152.

Risk of accidents due to inappropriate speed

warn the driver to adapt his driving speed to the

cannot be reduced by ABS.

road conditions.

In this case, the brake system will operate without

lock prevention, as on vehicles without ABS.

f

If full braking is necessary, press the brake

ABS ensures

pedal fully during the whole braking operation,

f Adapt your driving style to the changed

-

Full steering control

even though the pedal is pulsating. Do not

braking behavior.

The vehicle remains steerable

reduce brake pressure.

The ABS must be checked by your authorized

Porsche dealer in order to prevent the

-

Good driving stability

occurrence of further faults with unpredictable

No skidding due to locked wheels

consequences.

-

Optimum braking distance

Please contact a qualified specialist workshop.

Shorter stopping distance in most cases

We recommend that you have an authorized

Porsche dealer to do this work as they have

-

Prevention of wheel locking

trained workshop personnel and the necessary

No flat spots on the tires

parts and tools.

The ABS control unit is adjusted for the approved

tire dimensions.

The use of tires with non-approved dimensions can

lead to different wheel speeds, causing ABS to

switch off.

Driving and Driving Safety

207

Note on operation

Porsche Active Suspension

Management (PASM)

The last selected chassis setup is stored in the

memory after the ignition is switched off.

The PASM system actively adjusts the shock

absorbers. The adjustable damper system selects

Warning message

the appropriate damping level for each wheel

according to the driving situation and driving

The system automatically detects PASM faults and

conditions. Driving safety, agility and comfort are

displays them on the multi-function display in the

optimised.

instrument panel.

Three different chassis setups can be selected at

For information on warning messages on the

the push of a button:

multi-function display:

-

“PASM Comfort”

f

Please see the chapter “OVERVIEW OF

–

“PASM Sport”

WARNING MESSAGES” on page 152.

–

“PASM Sport Plus”

f

Adapt your driving style according to the

changed conditions.

Comfort mode ensures comfortable chassis

tuning.

f

Contact a qualified specialist workshop in

Selecting the PASM mode

The “PASM Sport” chassis setup offers very

order to correct the fault. We recommend that

sporty shock absorber tuning.

you have an authorized Porsche dealer to do

1. Switch on ignition.

“PASM Sport Plus” mode offers particularly

this work, as they have the trained workshop

2. Press button

(repeatedly).

personnel and the necessary parts and tools

sporty shock absorber tuning (e.g. for driving on

the race circuit).

On the button:

for this type of work.

In addition to manual mode selection, PASM

- No indicator light comes on when you select

also adjusts shock absorber tuning for either

“PASM Comfort” (default setting).

sporty or comfort driving, depending on the

- One indicator light comes on when you select

driving situation.

“PASM Sport”.

- Two indicator lights come on when you select

“PASM Sport Plus”.

In addition, the selected chassis setup is shown on

the multi-function display in the instrument panel

for approx. 4 seconds.

208 Driving and Driving Safety

In addition, the selected chassis setup is shown on

Porsche Active Suspension

the multi-function display in the instrument panel

Management (PASM) with Air

for approx. 4 seconds.

Suspension and Level Control

Note

PASM with air suspension is an active shock

The mode cannot be changed if a door or the

absorber adjustment and ride height balancing

tailgate is opened or when the engine is switched

system. The adjustable damper system selects

off.

the appropriate damping level for each wheel

When the vehicle is stopped, the ride height may

according to the driving situation and driving

conditions. The level control system automatically

be adjusted automatically in order to balance the

balances load changes and maintains a constant

vehicle load.

ride height. Driving safety, agility and comfort are

optimised.

High Level

Three different chassis setups can be selected at

The level control system allows you to raise the

the push of a button:

vehicle in maneuvering mode by approx. 0.8 in.

-

“PASM Comfort”

(20 mm) compared with the normal level in order

to drive over curbs and ramps.

-

“PASM Sport”

Selecting the PASM mode

High Level can only be selected manually and at

–

“PASM Sport Plus”

speeds of less than approx. 20 mph (30 km/h).

1. Switch on ignition.

Comfort mode ensures comfortable chassis

2. Start the engine.

Note

tuning.

3. Press button

(repeatedly).

High Level must not be used on public roads since

The “PASM Sport” chassis setup offers very

the prescribed installation height of the reflectors

sporty shock absorber tuning.

On the button:

can be exceeded in High Level.

“PASM Sport Plus” mode offers particularly sporty

shock absorber tuning (e.g. for driving on the race

- No indicator light comes on when you select

circuit). The vehicle is also lowered by

“PASM Comfort” (default setting).

approx. 1 in. (25 mm) compared with the normal

- One indicator light comes on when you select

level and the spring rate is increased.

“PASM Sport”.

In addition to manual mode selection, PASM also

- Two indicator lights come on when you select

adjusts shock absorber tuning for either sporty

“PASM Sport Plus”.

or comfort driving, depending on the driving

situation.

Driving and Driving Safety

209

Switching level control on and off

Notes

Level control is switched on automatically at

Automatic level control must be switched off

a speed of more than approx. 4 mph (7 km/h).

when driving onto a lifting platform or when

raising one wheel.

Warning message

For information on jacking up the vehicle:

The system automatically detects PASM faults and

f Please see the chapter “RAISING VEHICLES

displays them on the multi-function display in the

WITH A LEVEL CONTROL SYSTEM” on

instrument panel.

page 290.

For information on warning messages on the

Switching off level control

multi-function display:

1. Switch on ignition.

f Please see the chapter “OVERVIEW OF

2. Press and hold button

for

WARNING MESSAGES” on page 152.

approximately 10 seconds.

f Adapt your driving style according to the

The message “Control off” appears on the

changed conditions.

multi-function display in the instrument panel.

f Contact a qualified specialist workshop in

Selecting High Level

Note

order to correct the fault. We recommend that

you have an authorized Porsche dealer to do

1. Switch on ignition.

Level control can only be switched off when the

this work, as they have the trained workshop

vehicle is stationary.

2. Start the engine.

personnel and the necessary parts and tools

for this type of work.

3. Press button

Switching on level control

When High Level is selected, the indicator light

1. Lower the vehicle.

Note

on the button lights up.

The message “High Level selected” appears

2. Switch on ignition.

If vehicles with air suspension are left stationary

on the multi-function display.

for several weeks, the ride height can be reduced.

3. Press and hold button

for

The vehicle automatically re-adjusts to the correct

approximately 10 seconds.

Note on operation

ride height when you start the engine. This can

The message “Control on” appears on the

take several minutes, depending on the operating

The last selected level is stored in the memory

multi-function display in the instrument panel.

state. Ground clearance is reduced at this time.

after the ignition is switched off. The level control

system automatically switches from High Level at

a speed of approx. 20 mph (30 km/h).

210 Driving and Driving Safety

“Sport”/“Sport Plus” and

“PASM Sport”/“PASM Sport Plus” mode

Switching “Sport” or “Sport Plus” mode on and off

simultaneously activates and deactivates the

corresponding PASM mode (“PASM Sport” or

“PASM Sport Plus”).

The PASM mode can be switched manually if you

want to use the characteristics of “Sport” or

“Sport Plus” mode, but prefer a more comfortable

chassis setup.

f Press button

(repeatedly).

The indicator light for the selected chassis

setup on the button lights up.

In addition, the selected chassis setup is

shown on the multi-function display in the

instrument panel for approx. 4 seconds.

Switching “Sport” mode on and off

Switching “Sport Plus” mode on and off

For information on PASM:

f Press button

f Press button

f Please see the chapter “PORSCHE ACTIVE

When “Sport” mode is switched on, the

When “Sport Plus” mode is switched on, the

SUSPENSION MANAGEMENT (PASM)” on

indicator light on the button lights up.

indicator light on the button lights up.

page 208.

The word “SPORT” appears on the digital

The words “SPORT PLUS” appear on the digital

speedometer.

speedometer.

A sporty gear-changing map is enabled and the

In "Sport Plus" mode, the PDK transmission

gear shifting times are shorter for the PDK

changes to a shift program designed for driving

transmission.

on race circuits. 7th gear is not selected.

A sporty driving style is recognized more quickly

The gear-changing performance is enhanced

and the gear-changing speeds are adapted to

significantly again compared with Sport mode.

driving performance.

The turbo overboost function (brief torque

Braking downshifts are initiated earlier. Downshifts

increase at full throttle) is activated on vehicles

occur for small decelerations, even at higher revs.

with the Sport Chrono Turbo package.

Driving and Driving Safety

213

Content      ..     10      11      12      13     ..