Acura MDX Hybrid (2017 year). Manual - part 18

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When Driving

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Lane Keeping Assist System (LKAS)

280

Driving

Provides assistance to keep the vehicle in the center of the lane. When the vehicle 
nears a white or yellow line, steering force of the electric power steering will become 
stronger.

When the vehicle enters the warning area, the LKAS alerts you with slight steering 
wheel vibration as well as a warning display.

■

Lane Keep Support Function

1

Lane Keeping Assist System (LKAS)

When it fails to detect lanes, the system will 
temporarily be canceled. When lane is detected, 
system will recover automatically.

■

Lane Departure Warning Function

Warning Area

Warning Area

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Continued

281

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When Driving

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Lane Keeping Assist System (LKAS)

Driving

The system can be used when the following conditions are met.
• The lane in which you are driving has detectable lane markers on both sides, and 

your vehicle is in the center of the lane.

• The vehicle speed is between 45 and 90 mph (72 and 145 km/h).
• You are driving on a straight or slightly curved road.
• The turn signals are off.
• The brake pedal is not depressed.
• The wipers are not in continuous operation.

■

How to activate the system

1. Press the MAIN button.

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The LKAS is on in the MID.
The system is ready to use.

2. Press the LKAS button.

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Lane outlines appear on the MID.
The system is activated.

■

When the System can be Used

1

Lane Keeping Assist System (LKAS)

If the vehicle drifts toward either left or right lane line 
due to the system applying torque, turn off the LKAS 
and have your vehicle checked by a dealer.

MAIN Button

LKAS Button

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When Driving

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Lane Keeping Assist System (LKAS)

282

Driving

3. Keep your vehicle near the center of the 

lane while driving.

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The dotted outer lines change to solid 
ones once the system starts operating 
after detecting the left and right lane 
markings.

To cancel the LKAS:
Press the MAIN or LKAS button.

The LKAS is turned off every time you turn the 
power system off, even if you turned it on the 
last time you drove the vehicle.

■

To cancel

1

When the System can be Used

The LKAS temporarily deactivates when it fails to 
detect lane lines. When the system detects the lines 
again, it comes back on automatically.

1

To cancel

Pressing the MAIN button also turns ACC with LSF 
on and off.

MAIN Button

LKAS Button

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When Driving

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Lane Keeping Assist System (LKAS)

Continued

Driving

■

The system operation is suspended if 
you:

• Set the wipers to continuous operation.

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Turning the wipers off resumes the 
LKAS.

• Decrease the vehicle speed to about 40 

mph (64 km/h) or less.

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Increasing the vehicle speed to about 45 
mph (72 km/h) or more resumes the 
LKAS.

• Depress the brake pedal.

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The LKAS resumes and starts detecting 
the lane lines again once you release the 
brake pedal.

• Set the wiper switch to AUTO and the 

wipers operate continuously.

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The LKAS resumes when the wipers stop 
or operate intermittently.

When the LKAS is suspended, 
the lane lines on the MID 
change to contour lines.

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When Driving

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Lane Keeping Assist System (LKAS)

Driving

■

The LKAS may automatically be suspended when:

• The system fails to detect lane lines.
• The steering wheel is quickly turned.
• You fail to steer the vehicle.
• The vehicle runs on a curved road over the speed limit.

Once these conditions no longer exist, the LKAS automatically resumes.

■

The LKAS may automatically be canceled when:

• The camera temperature gets extremely high or low.
• The camera behind the rearview mirror, or the area around the camera, including 

the windshield, gets dirty.

• Driving through a sharp curve.
• Driving at a speed in excess of approximately 90 mph (145 km/h).
• The ABS or VSA® system engages.

The beeper sounds if the LKAS is automatically canceled.

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When Driving

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Lane Keeping Assist System (LKAS)

Continued

Driving

The system may not detect lane markings and therefore may not keep the vehicle in 
the middle of a lane under certain conditions, including the following:

■

Environmental conditions

• Driving in bad weather (rain, fog, snow, etc.).
• Sudden changes between light and dark, such as an entrance or exit of a tunnel.
• There is little contrast between lane lines and the roadway surface.
• Driving into low sunlight (e.g., at dawn or dusk).
• Strong light is reflected onto the roadway.
• Driving in the shadows of trees, buildings, etc.
• Shadows of adjacent objects are parallel to lane markings.
• Roadway objects or structures are misinterpreted as lane markers.
• Reflections on the interior of the windshield.
• Driving at night or in a dark condition such as a tunnel.

■

LKAS Conditions and Limitations

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When Driving

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Lane Keeping Assist System (LKAS)

Driving

■

Roadway conditions

• Driving on a snowy or wet roadway (obscured lane marking, vehicle tracks, 

reflected lights, road spray, high contrast).

• Driving on a road with temporary lane markings.
• Faint, multiple, or varied lane markings are visible on the roadway due to road 

repairs or old lane markings.

• The roadway has merging, split, or crossing lines (e.g., such as at an intersection 

or crosswalk).

• The lane markings are extremely narrow, wide, or changing.
• The vehicle in front of you is driving near the lane lines.
• The road is hilly or the vehicle is approaching the crest of a hill.
• Driving on rough or unpaved roads, or over bumpy surfaces. 
• When objects on the road (curb, guard rail, pylons, etc.) are recognized as white 

lines (or yellow lines).

• Driving on roads with double lines.

■

Vehicle conditions

• Headlight lenses are dirty or the headlights are not properly adjusted.
• The outside of the windshield is streaked or blocked by dirt, mud, leaves, wet 

snow, etc.

• The inside of the windshield is fogged.
• The camera temperature gets too high.
• An abnormal tire or wheel condition (wrong sized, varied size or construction, 

improperly inflated, compact spare tire

*

, etc.).

• The vehicle is tilted due to a heavy load or suspension modifications.

* Not available on all models

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When Driving

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Vehicle Stability Assist (VSA®), aka Electronic Stability Control (ESC), System

Continued

Driving

Vehicle Stability Assist (VSA®), aka Electronic 
Stability Control (ESC), System

VSA® helps to stabilize the vehicle during cornering if the vehicle turns more or less 
than what was intended. It also assists in maintaining traction on slippery surfaces. 
It does so by regulating engine and motor output and selectively applying the 
brakes.

When VSA® activates, you may notice that the 
engine and motor do not respond to the 
accelerator. You may also notice some noise 
from the hydraulic system. You will also see 
the indicator blink.

■

VSA® Operation

1

Vehicle Stability Assist (VSA®), aka Electronic Stability Control 
(ESC), System

The VSA® may not function properly if tire type and 
size are mixed. Make sure to use the same size and 
type of tire, and the air pressures as specified.

When the VSA® system indicator comes on and stays 
on while driving, there may be a problem with the 
system. While this may not interfere with normal 
driving, have your vehicle checked by a dealer 
immediately.

VSA® cannot enhance stability in all driving situations 
and does not control the entire braking system. You 
still need to drive and corner at speeds appropriate 
for the conditions and always leave a sufficient 
margin of safety.

The main function of the VSA® system is generally 
known as Electronic Stability Control (ESC). The 
system also includes a traction control function.

VSA® System 
Indicator

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When Driving

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Vehicle Stability Assist (VSA®), aka Electronic Stability Control (ESC), System

288

Driving

This button is on the driver side control panel. 
To partially disable VSA® functionality/
features, press and hold it until you hear a 
beep.

The traction control stops fully functioning, 
allowing the wheels to spin more freely at low 
speed. The VSA® OFF indicator will also come 
on.

To restore VSA® functionality/features, press 
the  

(VSA® OFF) button until you hear a 

beep.

VSA® is turned on every time you turn the 
power system on, even if you turned it off the 
last time you drove the vehicle.

■

VSA® On and Off

1

Vehicle Stability Assist (VSA®), aka Electronic Stability Control 
(ESC), System

With the 

 button pressed, your vehicle will have 

normal braking and cornering ability, but VSA® 
traction and stability enhancement becomes less 
effective.

In certain unusual conditions when your vehicle gets 
stuck in shallow mud or fresh snow, it may be easier 
to free it with the VSA® temporarily switched off.

When the 

 button is pressed, the traction control 

function becomes less effective. This allows for the 
wheels to spin more freely at low speed. You should 
only attempt to free your vehicle with the VSA® off if 
you are not able to free it when the VSA® is on.

Immediately after freeing your vehicle, be sure to 
switch VSA® on again. We do not recommend driving 
your vehicle with the VSA® system switched off.

You may hear a motor sound coming from the 
engine compartment while system checks are being 
performed immediately after turning the power 
system on or while driving. This is normal.

VSA® OFF Indicator

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When Driving

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Agile Handling Assist

Driving

Agile Handling Assist

Lightly brakes each of the front and rear wheels, as needed, when you turn the 
steering wheel, and helps support the vehicle’s stability and performance during 
cornering.

1

Agile Handling Assist

The agile handling assist cannot enhance stability in 
all driving situations. You still need to drive and 
corner at speeds appropriate for the conditions and 
always leave a sufficient margin of safety.

When the VSA® system indicator comes on and stays 
on while driving, the agile handling assist does not 
activate.

You may hear a sound coming from the engine 
compartment while the agile handling assist is 
activated. This is normal.

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SPORT HYBRID Super Handling-All Wheel Drive

TM

 (SPORT HYBRID SH-AWD®)

Driving

SPORT HYBRID Super Handling-All Wheel Drive

TM

 

(SPORT HYBRID SH-AWD®)

The system controls and transfers varying amounts of motor and/or engine torque 
to each wheel in accordance with the driving conditions.

SPORT HYBRID SH-AWD® helps to enhance driving stability, and lets you handle 
situations like slippery surfaces, such as snow, sand, mud, and steep hills, better 
than when driving with standard two wheel drive. However, the system does not 
help to enhance braking. Be cautious about the following:
• It is still your responsibility to drive safely when you steer, accelerate, and apply 

brakes.

• Leave a sufficient margin when braking on slippery surfaces.

1

SPORT HYBRID Super Handling-All Wheel Drive

TM

 (SPORT 

HYBRID SH-AWD®)

Do not drive through deep water.

The SPORT HYBRID SH-AWD® system may not 
function properly if tire type and size are mixed.
Make sure to use the same size and type of tire, and 
the air pressures as specified.

2 Tire and Wheel Replacement P. 367

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When Driving

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Blind spot information (BSI) System

Continued

Driving

Blind spot information (BSI) System

Is designed to detect vehicles in specified alert zones adjacent to your vehicle, 
particularly in harder to see areas commonly known as “blind spots.”

When the system detects vehicles approaching from behind in adjacent lanes, the 
appropriate indicator comes on for a few seconds, providing assistance when you 
change lanes.

■

How the system works

1

Blind spot information (BSI) System

Important Safety Reminder
Like all assistance systems, BSI has limitations. Over 
reliance on BSI may result in a collision.

The system is for your convenience only. Even if an 
object is within the alert zone, the following 
situations may occur.

•

The BSI alert indicator may not come on due to 
obstruction (splashes, etc.) even without the Blind 
Spot Info Not Available MID appearing.

•

The BSI alert indicator may come on even with the 
message appearing.

3

WARNING

Failure to visually confirm that it is safe to 
change lanes before doing so may result in 
a crash and serious injury or death.
Do not rely only on the blind spot 
information system when changing lanes.

Always look in your mirrors, to either side 
of your vehicle, and behind you for other 
vehicles before changing lanes.

Alert zone range
A: Approx. 1.6 ft. (0.5 m)
B: Approx. 10 ft. (3 m)
C: Approx. 10 ft. (3 m)

Radar Sensors:
underneath the 
rear bumper 
corners

Alert Zone

A

B

C

●

The transmission is in 

(

D or 

(

S.

●

Your vehicle speed is 
between 20 mph (32 
km/h) and 100 mph 
(160 km/h)

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When Driving

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Blind spot information (BSI) System

292

Driving

■

When the system detects a vehicle

BSI Alert Indicator: Located near the outside 
rearview mirror on both sides.

Comes on when:
• A vehicle enters the alert zone from behind 

to overtake you with a speed difference of 
no more than 31 mph (50 km/h) from your 
vehicle.

• You pass a vehicle with a speed difference 

of no more than 12 mph (20 km/h).

Blinks and a beeper sounds when:
You move the turn signal lever in the direction 
of the detected vehicle. The beeper sounds 
three times.

1

Blind spot information (BSI) System

The BSI alert indicator may not come on under the 
following conditions:

•

A vehicle does not stay in the alert zone for more 
than two seconds.

•

A vehicle is parked in a side lane.

•

The speed difference between your vehicle and the 
vehicle you are passing is greater than 6 mph (10 
km/h).

•

An object not detected by the radar sensors 
approaches or passes your vehicle.

•

A vehicle running in the adjacent lane is a 
motorcycle or other small vehicle.

You can turn off the audible alert, or all the BSI alert 
using the audio/information screen or MID.

2 Customizable Features P. 128

BSI may be adversely affected when:

•

Objects (guard rails, poles, trees, etc,.) are 
detected.

•

An object that does not reflect radio waves well, 
such as a motorcycle, is in the alert zone.

•

Driving on a curved road.

•

A vehicle is moving from a far lane to the adjacent 
lane.

•

The system picks up external electrical interference.

•

The rear bumper or the sensors have been 
improperly repaired or the rear bumper has been 
deformed.

•

The orientation of the sensors has been changed.

•

In bad weather (Heavy rain, snow, and fog).

Comes On

Blinks

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When Driving

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Blind spot information (BSI) System

Driving

1

Blind spot information (BSI) System

For a proper BSI operation:

•

Always keep the rear bumper corner area clean.

•

Do not cover the rear bumper corner area with 
labels or stickers of any kind. 

•

Take your vehicle to a dealer if you need the rear 
bumper corner area or the radar sensors to be 
repaired, or the rear bumper corner area is strongly 
impacted.

The system does not operate when in 

(

R.

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Tire Pressure Monitoring System (TPMS) with Tire Fill Assist

Driving

Tire Pressure Monitoring System (TPMS) with Tire 
Fill Assist

Monitors the tire pressure while you are 
driving. If your vehicle’s tire pressure becomes 
significantly low, the low tire pressure/TPMS 
indicator comes on and a message appears on 
the MID.

1

Tire Pressure Monitoring System (TPMS) with Tire Fill Assist

Conditions such as low ambient temperature and 
altitude change directly affect tire pressure and can 
trigger the low tire pressure/TPMS indicator to come 
on.

2 If the Low Tire Pressure/TPMS Indicator 

Comes On or Blinks P. 416

Tire pressure checked and inflated in:

•

Warm weather can become under-inflated in 
colder weather.

•

Cold weather can become over-inflated in warmer 
weather.

The low tire pressure/TPMS indicator will not come 
on as a result of over inflation.

The TPMS audibly and visually informs you of 
changes in tire pressure of the individual tire that you 
are adjusting using audible and visual indications.

If a change in tire pressure has been significant, the 
system beeps and the hazard lights flash continuously 
for five seconds when the specified tire pressure is 
reached. Stop filling the tire.

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Tire Pressure Monitoring System (TPMS) with Tire Fill Assist

Driving

To select the tire pressure monitor, set the power 
mode to ON, and roll the multi-function 
steering-wheel controls until you see the tire 
pressure screen.

The pressure for each tire is displayed in psi 
(U.S.) or kPa (Canada).

Tire Pressures Low is displayed when a tire 
has significantly low pressure. The specific tire 
is displayed on the screen.

■

Tire Pressure Monitor

1

Tire Pressure Monitor

The pressure displayed on the MID can be slightly 
different from the actual pressure as measured by a 
gauge. If there is a significant difference between the 
two values, or if the low tire pressure/TPMS indicator 
and the message on the MID do not go off after you 
have inflated the tire to the specified pressure, have 
the system checked by a dealer.

Tire Pressure Monitor Problem may appear if you 
drive with the compact spare tire

*

, or there is a 

problem with the TPMS.

* Not available on all models

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