2018 INFINITI QX30 brakes

display. The set distance to a slower-moving
vehicle in front will then not be maintained.
You will be driving at the speed you deter-
mine by the position of the accelerator pedal.
You can also activate ICC when stationary.
The lowest speed that can be set is 20 MPH
(30 km/h).
Stopping
WARNING
•To help avoid risk of injury or death
through unintended operation of the
vehicle and/or its systems, do not leave
children, people who require the assis-
tance of others, or pets unattended in
your vehicle.
•The ICC system should only be used to
keep the vehicle stationary when the
driver is actively using the system.
When parking the vehicle, make sure to
turn OFF the ICC system, use the brake,
press the PARK (P) button, and place
the ignition switch in the LOCK position
prior to exiting the vehicle. Failure to do
so could lead to serious injury or death.
The ICC system will not hold the vehicle
in place after coming to a stop when any
of the following conditions occur: –
There is a malfunction in the system
or in the voltage supply.
– The ICC system has been deactivated
with the cruise control lever, e. g. by a
vehicle occupant.
– The accelerator pedal has been de-
pressed, e.g. by a vehicle occupant.
For further information on deactivating the
ICC system, see "ICC switch (cruise control
lever)" earlier in this section
If the ICC system detects that the vehicle in
front is stopping, it brakes your vehicle until it
is stationary (within the braking limitations of
the system).
Once your vehicle is stationary, it remains
stationary and you do not need to depress
the brake. NOTE
•After a short period, the vehicle is secured
by the electric parking brake, thus relieving
the service brake.
•Depending on the specified minimum dis-
tance, your vehicle will come to a standstill
at a sufficient distance behind the vehicle
in front. The specified minimum distance is
set using the control on the cruise control
lever.
The electric parking brake secures the vehicle
automatically if the ICC system is activated
when the vehicle is stationary and:
•A system fault occurs.
•The power supply is insufficient.
If a malfunction in the electric parking brake
occurs, then the transmission may also be
shifted into position P (Park) automatically.
Starting and driving5-55

ICC LIMITATIONS
WARNING
Listed below are the system limitations for
the ICC system. Failure to operate the ve-
hicle in accordance with these system limi-
tations could result in serious injury or
death.
•This system is only an aid to assist the
driver and is not a collision warning or
avoidance device. It is the driver’s re-
sponsibility to stay alert, drive safely
and be in control of the vehicle at all
times.
•The system is primarily intended for use
on straight, dry, open roads with light
traffic. It is not advisable to use the sys-
tem in city traffic or congested areas.
•This system will not adapt automati-
cally to road conditions. This system
should be used in evenly flowing traffic.
Do not use the system on roads with
sharp curves, or on icy roads, in heavy
rain or in fog.
•As there is a performance limit to the
distance control function, never rely
solely on the ICC system. This system
does not correct careless, inattentive or
absent-minded driving, or overcome poor visibility in rain, fog, or other bad
weather. Decelerate the vehicle speed
by depressing the brake pedal, depend-
ing on the distance to the vehicle ahead
and the surrounding circumstances in
order to maintain a safe distance be-
tween vehicles.
•If the vehicle ahead comes to a stop, the
vehicle decelerates to a standstill within
the limitations of the system. Once the
vehicle is stationary, it remains station-
ary and you do not need to depress the
brake pedal.
•Always pay attention to the operation
of the vehicle and be ready to manually
control the proper following distance.
The ICC system may not be able to main-
tain the selected distance between ve-
hicles (following distance) or selected
vehicle speed under some circum-
stances.
•Normally when controlling the distance
to a vehicle ahead, this system auto-
matically accelerates or decelerates
your vehicle according to the speed of
the vehicle ahead. If required, depress
the accelerator to properly accelerate
your vehicle when acceleration is re-
quired for a lane change. Depress the
brake pedal when deceleration is re- quired to maintain a safe distance to the
vehicle ahead due to its sudden braking
or if a vehicle cuts in. Always stay alert
when using the ICC system.
•The system may not detect the vehicle in
front of you in certain road or weather
conditions. To avoid accidents, never
use the ICC system under the following
conditions: – On roads where the traffic is heavy or
there are sharp curves.
– On slippery road surfaces such as on
ice or snow, etc.
– During bad weather (rain, fog, snow,
etc.).
– When rain, snow or dirt adhere to the
system sensor.
– On steep downhill roads (the vehicle
may go beyond the set vehicle speed
and frequent braking may result in
overheating the brakes).
– On repeated uphill and downhill
roads.
– When traffic conditions make it diffi-
cult to keep a proper distance be-
tween vehicles because of frequent
acceleration or deceleration.
– If there is interference by other radar
sources.
Starting and driving5-57

Distance warning function
The distance warning function can help you
to minimize the risk of a collision with the
vehicle in front or reduce the effects of such a
collision. If the distance warning function de-
tects that there is a risk of a collision, you will
be warned visually and audibly.
The distance warning function issues a warn-
ing at speeds:
•Of approximately 20 MPH (30 km/h) or
more, if, over several seconds the distance
maintained to the vehicle traveling in front
is insufficient. The distance warning light
then lights up in the combination meter.
•Of approximately 4 MPH (7 km/h) or
more, if you rapidly approach a vehicle in
front. An intermittent warning tone will
then sound and the distance warning light
will light up in the combination meter.
If a warning is issued:
•Brake immediately in order to increase the
distance from the vehicle in front.
or
•Take evasive action provided it is safe to
do so.
WARNING
Due to the nature of the system, particu-
larly complicated but non-critical driving
conditions may also cause the system to
display a warning.
Up to a speed of approximately 45 MPH (70
km/h), the distance warning function can
also react to stationary (stopped or parked)
vehicles.
If you approach a stationary vehicle and the
distance warning function detects a risk of a
collision, the system will alert you both visu-
ally and acoustically.
Autonomous braking function
If the driver does not react to the distance
warning signal in a critical situation, the FEB
system can assist with the autonomous brak-
ing function
The autonomous braking function can help
the driver to avoid an accident or reduces the
effects of an accident.
The autonomous braking function is available
in the following speed ranges:
•4–125 MPH (7-200 km/h) for moving ve-
hicles
•4–30 MPH (7 -50 km/h) for stationary
vehicles
Adaptive brake assist function
Adaptive brake assist function provides brak-
ing assistance in hazardous situations at
speeds above 4 MPH (7 km/h). It uses radar
sensor technology to assess the traffic situa-
tion.
If the system detects a risk of collision with
the vehicle in front, it calculates the braking
force necessary to avoid a collision. If you
apply the brakes forcefully, the adaptive
brake assist function will automatically in-
crease the braking force to a level suitable for
the traffic conditions.
NSD598
Distance warning light
Starting and driving5-65

If the adaptive brake assist function acti-
vates, keep the brake pedal depressed until
the emergency braking situation is over. ABS
prevents the wheels from locking.
The brakes will work normally again if:
•You release the brake pedal.
•There is no longer any danger of a collision.
•No obstacle is detected in front of your
vehicle.
The brake assist function is then deactivated.
At high speeds, the adaptive brake assist
function is capable of reacting to moving ob-
jects that have already been detected as such
at least once over the period of observation.
Up to a speed of approximately 45 MPH (70
km/h), the adaptive brake assist function re-
acts to stationary vehicles.
TURNING THE FEB SYSTEM
ON/OFF
1Steering-wheel mounted controls (left
side)
2Vehicle information display
ADisplay area
BMenu bar
NSD626
5-66Starting and driving

ASettings key
B

•Do not place the ignition switch in the on
position while the steering wheel or a
tire is removed.
•Do not turn the steering wheel as much
as possible while the ignition switch is in
any position other than the ON position.
•Installing an accessory on the steering
wheel, or changing the steering wheel,
may reduce the steering performance.
NOTE
When the steering wheel is operated repeat-
edly or continuously while parking or driving
at a very low speed, the power assistance for
the steering wheel will be reduced. This is to
prevent overheating of the electric power
steering system and protect it from becom-
ing damaged. While the power assistance is
reduced, steering wheel operation will be-
come heavy. When the temperature of the
electric power steering system decreases,
the power assistance level will return to nor-
mal. Avoid repeating such steering wheel
operations that could cause the electric
power steering system to overheat. The brake system has two separate hydraulic
circuits. If one circuit malfunctions, you will
still have braking ability at two wheels.
BRAKE PRECAUTIONS
WARNING
While driving on a slippery surface, be
careful when braking, accelerating or
downshifting. Abrupt braking or acceler-
ating could cause the wheels to skid and
result in an accident.
Vacuum assisted brakes
The brake booster aids braking by using en-
gine vacuum. If the engine stops, you can
stop the vehicle by depressing the brake
pedal. However, greater foot pressure on the
brake pedal will be required to stop the ve-
hicle. The stopping distance will be longer.
WARNING
•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.
•Do not coast with the engine stopped. 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 op-
erating (if equipped).
Using brakes
Avoid resting your foot on the brake pedal
while driving. This will overheat the brakes,
wear out the brake linings/pads faster, and
increase fuel consumption.
To help reduce brake wear 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.
While driving on a slippery surface, be careful
when braking, accelerating or downshifting.
Abrupt braking or acceleration could cause
the wheels to skid and result in an accident.
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 the brakes, drive the vehicle at a safe
speed while lightly depressing the brake
pedal to heat up the brakes. Do this until the
brakes return to normal. Avoid driving the
BRAKE SYSTEM
Starting and driving5-91

vehicle at high speeds until the brakes func-
tion correctly.
Driving uphill
When starting on a steep gradient, it is some-
times difficult to operate the brake. Use the
parking brake to hold the vehicle. When ready
to start, make sure that the shift lever is in an
appropriate forward or reverse driving posi-
tion, release the parking brake while depress-
ing the accelerator pedal. If your vehicle has
an electric parking brake, this will automati-
cally release when you depress the accelera-
tor pedal (DCT models).
Driving downhill
The engine braking action is effective for
controlling the vehicle while descending hills.
A low gear position in the manual shift mode,
low enough to obtain sufficient engine brak-
ing, should be selected.
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 perfor-
mance.This procedure is described in the vehicle ser-
vice manual and can be performed by an
INFINITI retailer.
ANTI-LOCK BRAKING SYSTEM
(ABS)
WARNING
The Anti-lock Braking System (ABS) is a
sophisticated device, but it cannot prevent
accidents resulting from careless or dan-
gerous driving techniques. It can help
maintain vehicle control during braking on
slippery surfaces. Remember that stopping
distances on slippery surfaces will be lon-
ger than on normal surfaces even with
ABS. Stopping distances may also be lon-
ger on rough, gravel or snow covered
roads, or if you are using tire chains. Al-
ways maintain a safe distance from the ve-
hicle 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 replacement tire, make
sure that it is the proper size and type as
specified on the tire and loading informa- tion label. (See "Wheels and Tires" in the
"9. Maintenance and Schedules" section.)
– For detailed information, see "Wheels and
tires" in the "8. Do-it-yourself" section.
The Anti-lock Braking System (ABS) controls
the brakes so the wheels do not lock during
hard braking or when braking on slippery sur-
faces. The system detects the rotation speed
at each wheel and varies the brake fluid pres-
sure to prevent each wheel from locking and
sliding. By preventing each wheel from lock-
ing, the system helps the driver maintain
steering control and helps to minimize swerv-
ing and spinning on slippery surfaces.
Using 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 ob-
stacles.
WARNING
Do not pump the brake pedal. Doing so may
result in increased stopping distances.
5-92Starting and driving

Self-test feature
The ABS includes electronic sensors, electric
pumps, hydraulic solenoids and a computer.
The computer has a built-in diagnostic fea-
ture 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 pulsation in the brake pedal.
This is normal and does not indicate a mal-
function. If the computer senses a malfunc-
tion, it switches the ABS off and illuminates
the ABS warning light on the instrument
panel. The brake system then operates nor-
mally, but without anti-lock assistance. If the
ABS warning light illuminates during the self-
test or while driving, have the vehicle
checked. It is recommended you visit an
INFINITI retailer for this service.
Normal operation
The ABS operates at speeds above 3 to 6
MPH (5 to 10 km/h). The speed varies ac-
cording to road conditions.
When the ABS senses that one or more
wheels are close to locking up, the actuator
rapidly applies and releases hydraulic pres-
sure. 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 prop-
erly. However, 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 function).
•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 conditions).
The VDC system can help the driver to main-
tain control of the vehicle, but it cannot pre-
vent loss of vehicle control in all driving situ-
ations.
VEHICLE DYNAMIC CONTROL (VDC)
SYSTEM
Starting and driving5-93