Infiniti G37 Coupe (2012 year). Manual — part 23

5-40

Starting and driving

conditions, have the vehicle checked at an
INFINITI retailer.

SSD0926

Sedan

SSD1170

Coupe

— Type A

SSD1169

Coupe

— Type B

Sensor maintenance

The sensor for the ICC system

*

A

is located

below the front bumper.

To keep the ICC system operating properly,
be sure to observe the following:
. Always keep the sensor clean. Wipe

with a soft cloth carefully so as not to
damage the sensor.

. Do not strike or damage the areas

around the sensor. Do not touch or
remove the screw located on the
sensor. Doing so could cause failure
or malfunction. If the sensor is da-
maged due to an accident, contact an

-------------------------------------------------------------------------------------------------------------------------------------------------------------

INFINITI retailer.

. Do not attach a sticker (including

transparent material) or install an
accessory near the sensor. This could
cause failure or malfunction.

CONVENTIONAL (fixed speed)
CRUISE CONTROL MODE

This mode allows driving at a speed
between 25 to 89 MPH (40 to 144 km/h)
without keeping your foot on the accel-
erator pedal.

WARNING

. In the conventional (fixed speed) cruise

control mode, a warning chime does not
sound to warn you if you are too close to
the vehicle ahead, as neither the pre-
sence of the vehicle ahead nor the
vehicle-to-vehicle distance is detected.

. Pay special attention to the distance

between your vehicle and the vehicle
ahead of you or a collision could occur.

. Always confirm the setting in the In-

telligent Cruise Control system display.

. Do not use the conventional (fixed

speed) cruise control mode when driving

under the following conditions:

— when it is not possible to keep the

vehicle at a set speed

— in heavy traffic or in traffic that

varies in speed

— on winding or hilly roads
— on slippery roads (rain, snow, ice,

etc.)

— in very windy areas

. Doing so could cause a loss of vehicle

control and result in an accident.

SSD0617

Conventional (fixed speed) cruise
control switch

1. ACCELERATE/RESUME switch:

Resumes set speed or increases speed
incrementally.

2. COAST/SET switch:

Sets the desired cruise speed, reduces
speed incrementally.

3. CANCEL switch:

Deactivates the system without erasing
the set speed.

4. MAIN switch:

Master switch to activate the system.

Starting and driving

5-41

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5-42

Starting and driving

SSD0618

Conventional (fixed speed) cruise
control mode display and indica-
tors

The display is located between the speed-
ometer and tachometer.

1. MAIN switch indicator:

Indicates that the MAIN switch is ON.

2. Cruise set switch indicator:

Displays while the vehicle speed is
controlled by the conventional (fixed
speed) cruise control mode of the ICC
system.

3. Cruise system warning light:

Comes on if there is a malfunction in
the cruise control system.

SSD0619

Operating conventional (fixed
speed) cruise control mode

To turn on the conventional (fixed speed)
cruise control mode,
push and hold the
MAIN switch

*

A

for longer than about 1.5

seconds.

When pushing the MAIN switch on, the
Intelligent Cruise Control system display
and the CRUISE indicator are displayed on
the dot matrix crystal display. After you
hold the MAIN switch on for longer than
about 1.5 seconds, the Intelligent Cruise
Control system display goes out. The
CRUISE indicator stays lit. You can now

-------------------------------------------------------------------------------------------------------------------------------------------------------------

set your desired cruising speed. Pushing
the MAIN switch again will turn the system
completely off.

When the ignition switch is pushed to the
OFF position, the system is also automati-
cally turned off. To use the Intelligent
Cruise Control again, quickly push and
release the MAIN switch (vehicle-to-vehicle
distance control mode) or push and hold it
(conventional cruise control mode) again to
turn it on.

CAUTION

To avoid accidentally engaging cruise con-
trol, make sure to turn the MAIN switch off
when not using the Intelligent Cruise Con-
trol system.

SSD0620

To set cruising speed, accelerate your
vehicle to the desired speed, push the
COAST/SET switch and release it. (The SET
indicator will come on in the display.) Take
your foot off the accelerator pedal. Your
vehicle will maintain the set speed.
. To pass another vehicle, depress the

accelerator pedal. When you release
the pedal, the vehicle will return to the
previously set speed.

. The vehicle may not maintain the set

speed when going up or down steep
hills. If this happens, manually main-
tain vehicle speed.

To cancel the preset speed, use any of the

following methods:

1. Push the CANCEL button. The SET

indicator will go out.

2. Tap the brake pedal. The SET indicator

will go out.

3. Turn the MAIN switch off. Both the

CRUISE indicator and SET indicator will
go out.

To reset at a faster cruising speed, use one
of the following three methods:

1. Depress the accelerator pedal. When

the vehicle attains the desired speed,
push and release the COAST/SET
switch.

2. Push and hold the ACCELERATE/RE-

SUME set switch. When the vehicle
attains the speed you desire, release
the switch.

3. Push, then quickly release the ACCEL-

ERATE/RESUME switch. Each time you
do this, the set speed will increase by
about 1 MPH (1.6 km/h).

To reset at a slower cruising speed, use
one of the following three methods:

1. Lightly tap the brake pedal. When the

vehicle attains the desired speed, push
the COAST/SET switch and release it.

Starting and driving

5-43

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5-44

Starting and driving

2. Push and hold the COAST/SET switch.

Release the switch when the vehicle
slows down to the desired speed.

3. Push, then quickly release the COAST/

SET switch. Each time you do this, the
set speed will decrease by about 1 MPH
(1.6 km/h).

To resume the preset speed, push and
release the ACCELERATE/RESUME switch.
The vehicle will resume the last set
cruising speed when the vehicle speed is
over 25 MPH (40 km/h).

Automatic cancellation

A chime sounds under the following con-
ditions and the control is automatically
canceled.
. When the vehicle slows down more

than 8 MPH (13 km/h) below the set
speed

. When the vehicle speed falls below

approximately 20 MPH (32 km/h)

. When the selector lever is not in the D

(Drive), DS (Drive Sport) or manual shift
mode

. When the VDC operates (including the

traction control system)

. When a tire slips

SSD0621

Warning light

When the system is not operating properly,
the chime sounds and the system warning
light (orange) will come on.

Action to take:

If the warning light comes on, park the
vehicle in a safe place. Turn the engine off,
restart the engine, resume driving and then
perform the setting again.

If it is not possible to set or the indicator
stays on, it may indicate that the system is
malfunctioning. Although the vehicle is
still driveable under normal conditions,
have the vehicle checked at an INFINITI

retailer.

PREVIEW FUNCTION (for Intelligent
Cruise Control system equipped
models)

The ICC system with the preview function
identifies the need to apply emergency
braking by sensing the vehicle ahead in
the same lane and the distance to the
vehicle ahead and relative speed from it, it
applies the brake pre-pressure before the
driver depresses the brake pedal and helps
improve brake response by reducing pedal
free play.

For more details, see

“Brake assist” (P.5-

52).

-------------------------------------------------------------------------------------------------------------------------------------------------------------

CAUTION

During the first 1,200 miles (2,000 km),
follow these recommendations to obtain
maximum engine performance and ensure
the future reliability and economy of your
new vehicle.

Failure to follow these recommendations
may result in shortened engine life and
reduced engine performance.

. Avoid driving for long periods at con-

stant speed, either fast or slow. Do not
run the engine over 4,000 rpm.

. Do not accelerate at full throttle in any

gear.

. Avoid quick starts.
. Avoid hard braking as much as possi-

ble.

. Accelerate slowly and smoothly. Main-

tain cruising speeds with a constant
accelerator position.

. Drive at moderate speeds on the high-

way.

. Avoid unnecessary stopping and brak-

ing. Keep a safe distance behind other
vehicles.

. Select a gear range suitable to road

conditions.

. Avoid unnecessary prolonged engine

idling.

. Keep your engine tuned up.
. Follow the recommended periodic main-

tenance schedule.

. Keep the tires inflated at the correct

pressure. Improper tire pressure will
increase wear and waste fuel.

. Make sure the front wheels are properly

aligned. Improper alignment will cause
premature tire wear and lower fuel
economy.

. Climate control operation lowers fuel

economy. Use the air conditioner only
when necessary.

. When cruising at highway speeds, it is

more economical to use the air condi-
tioner and leave the windows closed to
reduce drag.

SSD0336

The AWD warning light is located in the
meter.

The AWD warning light comes on when the
ignition switch is pushed to the ON
position. It turns off soon after the engine
is started.

Starting and driving

5-45

BREAK-IN SCHEDULE

INCREASING FUEL ECONOMY

ALL-WHEEL DRIVE (AWD) (if so equipped)

-------------------------------------------------------------------------------------------------------------------------------------------------------------

5-46

Starting and driving

If any malfunction occurs in the AWD
system while the engine is running, the
warning light will come on.

The warning light may blink rapidly (about
twice per second) while trying to free a
stuck vehicle due to high power train oil
temperature. The driving mode may change
to two-wheel drive. If the warning light
blinks rapidly during operation, stop the
vehicle with the engine idling in a safe
place immediately. Then if the light goes
off after a while, you can continue driving.

A large difference between the diameters
of front and rear wheels will make the
warning light blink slowly (about once per
two seconds). Pull off the road in a safe
area, and idle the engine. Check that all
tire sizes are the same, tire pressure is
correct and tires are not worn.

If the warning light is blinking after the
above operation, have your vehicle
checked by an INFINITI retailer as soon as
possible.

WARNING

. For AWD equipped vehicles, do not

attempt to raise two wheels off the

ground and shift the transmission to
any drive or reverse position with the
engine running. Doing so may result in
drivetrain damage or unexpected vehicle
movement which could result in serious
vehicle damage or personal injury.

. Do not attempt to test an AWD equipped

vehicle on a 2-wheel dynamometer (such
as the dynamometers used by some
states for emissions testing) or similar
equipment even if the other two wheels
are raised off the ground. Make sure that
you inform the test facility personnel
that your vehicle is equipped with AWD
before it is placed on a dynamometer.
Using the wrong test equipment may
result in drivetrain damage or unex-
pected vehicle movement which could
result in serious vehicle damage or
personal injury.

CAUTION

. Do not operate the engine on a free

roller when any of the wheels are raised.

. If the warning light comes on while

driving there may be a malfunction in

the AWD system. Reduce the vehicle
speed and have your vehicle checked by
an INFINITI retailer as soon as possible.

. If the warning light remains on after the

above operation, have your vehicle
checked by an INFINITI retailer as soon
as possible.

. The power train may be damaged if you

continue driving with the warning light
blinking.

-------------------------------------------------------------------------------------------------------------------------------------------------------------

SD1006MA

WARNING

. Do not stop or park the vehicle over

flammable materials such as dry grass,
waste paper or rags. They may ignite and
cause a fire.

. Never leave the engine running while the

vehicle is unattended.

. Do not leave children unattended inside

the vehicle. They could unknowingly
activate switches or controls. Unat-
tended children could become involved
in serious accidents.

. Safe parking procedures require that

both the parking brake be applied and
the transmission placed into P (Park) for
Automatic Transmission (AT) model or in
an appropriate gear for Manual Trans-
mission (MT) model. Failure to do so
could cause the vehicle to move un-
expectedly or roll away and result in an
accident.

. Make sure the automatic transmission

selector lever has been pushed as far
forward as it can go and cannot be
moved without depressing the foot
brake pedal.

1. Firmly apply the parking brake.

2.

Automatic transmission models:

Move the selector lever to the P (Park)
position.

Manual transmission models:

Place the shift lever in the R (Reverse)
gear. When parking on an uphill grade,
place the shift lever in the 1st gear.

3. To help prevent the vehicle from rolling

into the street when parked on a
sloping drive way, it is a good practice
to turn the wheels as illustrated.

.

HEADED DOWNHILL WITH CURB:

*

1

Turn the wheels into the curb and
move the vehicle forward until the
curb side wheel gently touches the
curb.

.

HEADED UPHILL WITH CURB:

*

2

Turn the wheels away from the curb
and move the vehicle back until the
curb side wheel gently touches the
curb.

.

HEADED UPHILL OR DOWNHILL, NO
CURB:

*

3

Turn the wheels toward the side of
the road so the vehicle will move
away from the center of the road if it
moves.

Starting and driving

5-47

PARKING/PARKING ON HILLS

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5-48

Starting and driving

4. Push the ignition switch to the OFF

position.

SSD0927

WARNING

. The sonar system is a convenience but it

is not a substitute for proper parking.
Always look around and check that it is
safe to do so before parking. Always
move slowly.

. Read and understand the limitations of

the sonar system as contained in this
section. Inclement weather may affect
the function of the sonar system; this
may include reduced performance or a
false activation.

. This system is not designed to prevent

contact with small or moving objects.

. The system is designed as an aid to the

driver in detecting large stationary
objects to help avoid damaging the
vehicle. The system will not detect small
objects below the bumper, and may not
detect objects close to the bumper or on
the ground.

. If your vehicle sustains damage to the

bumper fascia, leaving it misaligned or
bent, the sensing zone may be altered
causing inaccurate measurement of ob-

SONAR SYSTEM (if so equipped)

-------------------------------------------------------------------------------------------------------------------------------------------------------------

stacles or false alarms.

CAUTION

Keep the interior of the vehicle as quiet as
possible to hear the tone clearly.

The sonar system sounds a tone to warn
the driver of obstacles near the bumper.
When the

“Sonar Display” key is ON, the

sonar indicator will also appear in the
center display. (See

“Sonar indicator” (P.5-

49).) The system detects rear obstacles
when the selector lever is in the

“R”

(Reverse) position.

The system may not detect objects at
speeds above 6 MPH (10 km/h) and may
not detect certain angular or moving
objects.

The sonar system detects obstacles up to
3.9 feet (1.2 m) from the bumper with a
decreased coverage area at the outer
corners of the bumper. Refer to the
illustration for approximate zone coverage
areas. As you move closer to the obstacle,
the rate of the tone increases. When the
obstacle is less than 11.8 in (30 cm) away,

the tone will sound continuously.

Keep the corner/center sonar (located on
the bumper fascia) free from snow, ice and
large accumulations of dirt (do not clean
the sonar with sharp objects). If the sonar
is covered, it will affect the accuracy of the
sonar system.

The sensitivity level of the corner/center
sonar can be adjusted (higher or lower) in
the SONAR setting display. (See

“How to

use SETTING button

” (P.4-14) for the

“Sonar” settings.)

SSD0928

*

1

Rear view monitor display

*

A

Corner sonar indicator

*

B

Center sonar indicator

SONAR INDICATOR

With the

“Sonar Display” key ON in the

“Sonar” settings, when the corner/center
sonar detects obstacles near the bumper, a
tone will sound and the sonar indicator will
appear in the center display. When the rear
view monitor is displayed, the sonar
indicator will appear in the upper corner
of the display

*

1

.

The sonar indicators

*

A

and

*

B

indicate

the position of the object and the distance

Starting and driving

5-49

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5-50

Starting and driving

to the object with its color and rate of
blinking.

When an object is detected, the indicator
(green) appears and blinks (the tone
sounds intermittently). When the vehicle
moves closer to the object, the color of the
indicator turns yellow and the rate of
blinking increases (the rate of the tone
increases). When the corner of the vehicle
is very close to the object, less than 11.8 in
(30 cm) away, the indicator stops blinking
and turns red (the tone sounds continu-
ously).

When the rear view monitor is displayed,
the colors of the sonar indicator and the
distance guide lines in the rear view
indicate different distances to the object.

The sonar indicator can be turned off in the
SONAR setting display. (See

“How to use

SETTING button

” (P.4-14) for the “Sonar”

settings.) When the sonar indicator is off,
only a tone sounds when the sonar detects
obstacles.

SSD0929

SONAR SYSTEM OFF SWITCH

The sonar system OFF switch on the
instrument panel allows the driver to turn
the sonar system on and off. To turn the
sonar system on and off, the ignition
switch must be in the

“ON” position. The

indicator light

*

1

on the switch will

illuminate when the system is turned off.
If the indicator light flashes when the
sonar system is not turned off, it may
indicate a malfunction in the sonar system.

WARNING

If the engine is not running or is turned off
while driving, the power assist for the
steering will not work. Steering will be
harder to operate.

The power assisted steering uses a hy-
draulic pump, driven by the engine, to
assist steering.

If the engine stops or the drive belt breaks,
you will still have control of the vehicle.
However, much greater steering effort is
needed, especially in sharp turns and at
low speeds.

POWER STEERING

-------------------------------------------------------------------------------------------------------------------------------------------------------------

BRAKING PRECAUTIONS

The brake system has two separate hy-
draulic circuits. If one circuit malfunctions,
you will still have braking at two wheels.

Vacuum assisted brakes

The brake booster aids braking by using
engine vacuum. If the engine stops, you
can stop the vehicle by depressing the
brake pedal. However, greater foot pres-
sure on the brake pedal will be required to
stop the vehicle and the stopping distance
will be longer.

When the brake pedal is depressed slowly
and firmly, you may hear a clicking noise
and feel a slight pulsation. This is normal
and indicates that the Brake Assist System
is operating.

Wet brakes

When the vehicle is washed or driven
through water, the brakes may get wet.
As a result, your braking distance will be
longer and the vehicle may pull to one side
during braking.

To dry brakes, drive the vehicle at a safe
speed while lightly tapping the brake pedal
to heat-up the brakes. Do this until the
brakes return to normal. Avoid driving the

vehicle at high speeds until the brakes
function correctly.

PARKING BRAKE BREAK-IN

Break in the parking brake shoes whenever
the stopping effect of the parking brake is
weakened or whenever the parking brake
shoes and/or drums/rotors are replaced,
in order to assure the best braking
performance.

This procedure is described in the vehicle
service manual and can be performed by
an INFINITI retailer.

Using the brakes

Avoid resting your foot on the brake pedal
while driving. This will cause overheating
of the brakes, wearing out the brake and
pads faster and reduce gas mileage.

To help save the brakes and to prevent the
brakes from overheating, reduce speed
and downshift to a lower gear before going
down a slope or long grade. Overheated
brakes may reduce braking performance
and could result in loss of vehicle control.

WARNING

. While driving on a slippery surface, be

careful when braking, accelerating or
downshifting. Abrupt braking or accel-
erating could cause the wheels to skid
and result in an accident.

. If the engine is not running or is turned

off while driving, the power assist for
the brakes will not work. Braking will be
harder.

Starting and driving

5-51

BRAKE SYSTEM

-------------------------------------------------------------------------------------------------------------------------------------------------------------

5-52

Starting and driving

BRAKE ASSIST

When the force applied to the brake pedal
exceeds a certain level, the Brake Assist is
activated generating greater braking force
than a conventional brake booster even
with light pedal force.

WARNING

The Brake Assist is only an aid to assist
braking operation and is not a collision
warning or avoidance device. It is the
driver

s responsibility to stay alert, drive

safely and be in control of the vehicle at all
times.

PREVIEW FUNCTION (Intelligent
Cruise Control system equipped
models)

When the Preview Function identifies the
need to apply emergency braking by
sensing a vehicle ahead in the same lane
and the distance and relative speed from
it, it applies the brake pre-pressure before
the driver depresses the brake pedal and
helps improve brake response by reducing
pedal free play.

. This system will not operate when the

vehicle is moving at approximately 20
MPH (32 km/h) or less.

. The pre-pressure function ceases when

the following conditions are met:
1) When the driver depresses the

accelerator pedal or the brake
pedal.

2) If the driver does not operate the

accelerator or brake pedal within
approximately 1 second.

SSD0338

. The sensor will not detect:

1) Pedestrians or objects in the road-

way

2) Oncoming vehicles in the same lane
3) Motorcycles traveling offset in the

travel lane as illustrated

WARNING

. This system is only an aid to assist

braking operation and is not a collision
warning or avoidance device. It is the
driver

s responsibility to stay alert, drive

safely and be in control of the vehicle at

BRAKE ASSIST

-------------------------------------------------------------------------------------------------------------------------------------------------------------

all times.

. As there is a performance limit to the

Preview Function, never rely solely on
this system. This system does not
correct careless inattentive or absent-
minded driving, or overcome poor visi-
bility in rain, fog, or other bad weather.
Reduce vehicle speed by depressing the
brake pedal, in order to maintain a safe
distance between vehicles.

. The system may not detect the vehicle in

front of you in certain road or weather
conditions. The Preview Function may
not operate properly under the following
conditions. The vehicle is still driveable
under normal conditions and the Brake
Assist will operate.

— When rain, snow or dirt adhere to

the system sensor

— When strong light (for example, at

sunrise or sunset) is directly shining
on the front of the vehicle

— Winding or hilly roads may cause

the sensor to temporarily not detect
a vehicle in the same lane or may
detect objects or vehicles in other
lanes.

— Vehicle position in the lane may

cause the sensor to temporarily not
detect a vehicle in the same lane or
may detect objects or vehicles in
other lanes.

SSD0471

Warning light and display

When the Preview Function is not operating
properly, a chime sounds and the system
warning light (orange) will come on.

Action to take:

If the warning light comes on, park the
vehicle in a safe place. Turn the engine off,
restart the engine and resume driving.

If the indicator stays on, it may indicate
that the Preview Function is malfunction-
ing (the brake is operative). Although the
Vehicle is still driveable under normal
conditions, have the vehicle checked at
an INFINITI retailer.

Starting and driving

5-53

-------------------------------------------------------------------------------------------------------------------------------------------------------------

5-54

Starting and driving

How to handle the sensor

The sensor for the Preview Function is
common with Intelligent Cruise Control and
is located below the front bumper.

To keep the Preview Function operating
properly, be sure to observe the following:
. Always keep the sensor clean. Wipe

with a soft cloth carefully so as not to
damage the sensor.

. Do not strike or damage the areas

around the sensor. Do not touch or
remove the screw located on the
sensor. Doing so could cause failure
or malfunction. If the sensor is da-
maged due to an accident, contact an
INFINITI retailer.

. Do not attach a sticker (including

transparent material) or install an
accessory near the sensor. This could
cause failure or malfunction.

ANTI-LOCK BRAKING SYSTEM (ABS)

WARNING

. The Anti-lock Braking System (ABS) is a

sophisticated device, but it cannot pre-
vent accidents resulting from careless or
dangerous driving techniques. It can
help maintain vehicle control during
braking on slippery surfaces. Remember
that stopping distances on slippery
surfaces will be longer than on normal
surfaces even with ABS. Stopping dis-
tances may also be longer on rough,
gravel or snow covered roads, or if you
are using tire chains. Always maintain a
safe distance from the vehicle in front of
you. Ultimately, the driver is responsible
for safety.

. Tire type and condition may also affect

braking effectiveness.

— When replacing tires, install the

specified size of tires on all four
wheels.

— When installing a spare tire, make

sure that it is the proper size and
type as specified on the Tire and
Loading Information label. See

Tire

and loading information label

(P.9-

14) of this manual.

— For detailed information, see

Wheels and tires(P.8-33) of this
manual.

The Anti-lock Braking System (ABS) con-
trols the brakes so the wheels do not lock
during hard braking or when braking on
slippery surfaces. The system detects the
rotation speed at each wheel and varies
the brake fluid pressure to prevent each
wheel from locking and sliding. By pre-
venting each wheel from locking, the
system helps the driver maintain steering
control and helps to minimize swerving
and spinning on slippery surfaces.

Using the system

Depress the brake pedal and hold it down.
Depress the brake pedal with firm steady
pressure, but do not pump the brakes. The
ABS will operate to prevent the wheels
from locking up. Steer the vehicle to avoid
obstacles.

-------------------------------------------------------------------------------------------------------------------------------------------------------------

WARNING

Do not pump the brake pedal. Doing so may
result in increased stopping distances.

Self-test feature

The ABS includes electronic sensors, elec-
tric pumps, hydraulic solenoids and a
computer. The computer has a built-in
diagnostic feature that tests the system
each time you start the engine and move
the vehicle at a low speed in forward or
reverse. When the self-test occurs, you may
hear a

“clunk” noise and/or feel a pulsa-

tion in the brake pedal. This is normal and
does not indicate a malfunction. If the
computer senses a malfunction, it switches
the ABS off and illuminates the ABS
warning light on the instrument panel.
The brake system then operates normally,
but without anti-lock assistance.

If the ABS warning light illuminates during
the self-test or while driving, have the
vehicle checked by an INFINITI retailer.

Normal operation

The ABS operates at speeds above 3 to 6
MPH (5 to 10 km/h).

When the ABS senses that one or more
wheels are close to locking up, the actuator
rapidly applies and releases hydraulic
pressure. This action is similar to pumping
the brakes very quickly. You may feel a
pulsation in the brake pedal and hear a
noise from under the hood or feel a
vibration from the actuator when it is
operating. This is normal and indicates
that the ABS is operating properly. How-
ever, the pulsation may indicate that road
conditions are hazardous and extra care is
required while driving.

The Vehicle Dynamic Control (VDC) system
uses various sensors to monitor driver
inputs and vehicle motion. Under certain
driving conditions, the VDC system helps
to perform the following functions.
. Controls brake pressure to reduce

wheel slip on one slipping drive wheel
so power is transferred to a non
slipping drive wheel on the same axle.

. Controls brake pressure and engine

output to reduce drive wheel slip based
on vehicle speed (traction control func-
tion).

. Controls brake pressure at individual

wheels and engine output to help the
driver maintain control of the vehicle in
the following conditions:
— understeer (vehicle tends to not

follow the steered path despite
increased steering input)

— oversteer (vehicle tends to spin due

to certain road or driving condi-
tions).

The VDC system can help the driver to
maintain control of the vehicle, but it
cannot prevent loss of vehicle control in
all driving situations.

When the VDC system operates, the VDC
warning light

in the instrument panel

Starting and driving

5-55

VEHICLE DYNAMIC CONTROL (VDC) SYSTEM

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Текст

Политика конфиденциальности