Infiniti Q50 (2021 year). Manual in english — page 22

5-126

Starting and driving

or downshifting. Abrupt braking or
accelerating 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.

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 perfor-
mance.
This procedure is described in the vehicle
service manual. It is recommended you visit
an INFINITI retailer for this service.

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.

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 dangerous driving
techniques. It can help maintain ve-
hicle control during braking on slip-
pery surfaces. Remember that
stopping distances on slippery sur-

BRAKE ASSIST

faces will be longer than on normal
surfaces even with ABS. Stopping
distances 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 la-
bel” (P.10-13) of this manual.

— For detailed information, see

“Wheels and tires” (P.8-25) of
this manual.

The Anti-lock Braking System (ABS) controls
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 preventing 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 dis-
tances.

Self-test feature

The ABS includes electronic sensors, electric
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 pulsation in the brake
pedal. This is normal and does not indicate a
malfunction. If the computer senses a mal-

function, 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. 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).
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
properly. However, the pulsation may indi-
cate that road conditions are hazardous and
extra care is required while driving.

Starting and driving

5-127

5-128

Starting and 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 out-

put 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
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

flashes so note the following:

.

The road may be slippery or the system

may determine some action is required to
help keep the vehicle on the steered path.

.

You may feel a pulsation in the brake

pedal and hear a noise or vibration from
under the hood. This is normal and
indicates that the VDC system is working
properly.

.

Adjust your speed and driving to the road

conditions.

See “Vehicle Dynamic Control (VDC) warn-
ing light” (P.2-17).
If a malfunction occurs in the system, the
VDC warning light

illuminates in the

instrument panel. The VDC system automa-
tically turns off.
The VDC OFF switch is used to turn off the
VDC system. The VDC off indicator light
illuminates to indicate the VDC system is off.
When the VDC switch is used to turn off the
system, the VDC system still operates to
prevent one drive wheel from slipping by
transferring power to a non slipping drive
wheel. The VDC warning light

flashes if

this occurs. All other VDC functions are off,
except for brake force distribution, and the
VDC warning light

will not flash. The

VDC system is automatically reset to on
when the ignition switch is placed in the off
position then back to the on position.
See “Vehicle Dynamic Control (VDC) warn-
ing light” (P.2-17) and “Vehicle Dynamic
Control (VDC) off indicator light” (P.2-16).
The computer has a built-in diagnostic

feature that tests the system each time you
start the engine and move the vehicle
forward or in reverse at a slow speed. When
the self-test occurs, you may hear a “clunk”
noise and/or feel a pulsation in the brake
pedal. This is normal and is not an indication
of a malfunction.
VDC operation is reduced when the INFINITI
Drive Mode Selector is used to select the
SPORT+ mode (if so equipped). The VDC
system may not operate in the same circum-
stances when compared to operation in the
standard mode. To help prevent accidents
drive carefully, avoid careless or dangerous
driving techniques and be especially careful
when driving and cornering on slippery
surfaces.

BRAKE FORCE DISTRIBUTION

During braking while driving through turns,
the system optimizes the distribution of
force to each of the four wheels depending
on the radius of the turn.

WARNING

.

The VDC system is designed to help
the driver maintain stability but does
not prevent accidents due to abrupt
steering operation at high speeds or
by careless or dangerous driving

VEHICLE DYNAMIC CONTROL
(VDC) SYSTEM

techniques. Reduce vehicle speed and
be especially careful when driving and
cornering on slippery surfaces and
always drive carefully.

.

The brake force distribution system
may not be effective depending on
the driving condition. Always drive
carefully and attentively.

.

Do not modify the vehicle’s suspen-
sion. If suspension parts such as
shock absorbers, struts, springs, sta-
bilizer bars, bushings and wheels are
not INFINITI recommended for your
vehicle or are extremely deteriorated,
the VDC system may not operate
properly. This could adversely affect
vehicle handling performance, and
the VDC warning light

may

illuminate.

.

If brake related parts such as brake
pads, rotors and calipers are not
INFINITI recommended or are extre-
mely deteriorated, the VDC system
may not operate properly and the
VDC warning light

may illumi-

nate.

.

If engine control related parts are not
INFINITI recommended or are extre-
mely deteriorated, the VDC warning
light

may illuminate.

.

When driving on extremely inclined
surfaces such as higher banked cor-
ners, the VDC system may not oper-
ate properly and the VDC warning
light

may illuminate. Do not drive

on these types of roads.

.

When driving on an unstable surface
such as a turntable, ferry, elevator or
ramp, the VDC warning light

may

illuminate. This is not a malfunction.
Restart the engine after driving onto
a stable surface.

.

If wheels or tires other than the
INFINITI recommended ones are
used, the VDC system may not oper-
ate properly and the VDC warning
light

may illuminate.

.

The VDC system is not a substitute
for winter tires or tire chains on a
snow covered road.

This system senses driving based on the
driver’s steering and acceleration/braking
patterns, and controls brake pressure at
individual wheels to help smooth vehicle
response.
When the SPORT mode is selected by the
INFINITI Drive Mode Selector, the amount
of brake control provided by the active trace
control is reduced.
When the PERSONAL mode is selected, the
active trace control can be set to ON
(enabled) or OFF (disabled). See “INFINITI
Drive Mode Selector” (P.5-21).
When the VDC OFF switch is used to turn
off the VDC system, the active trace control
is also turned off.

Starting and driving

5-129

ACTIVE TRACE CONTROL

5-130

Starting and driving

JVS0249X

When the active trace control is operated
and the “Chassis Control” mode is selected in
the trip computer, the active trace control
graphics are shown in the vehicle informa-
tion display. (See “Trip computer” (P.2-27).)
If the chassis control warning message
appears in the vehicle information display,
it may indicate that the active trace control
is not functioning properly. It is recom-
mended you have the system checked by
an INFINITI retailer. (See “27. Chassis con-
trol warning” (P.2-23).)

WARNING

The active trace control may not be
effective depending on the driving con-
dition. Always drive carefully and atten-
tively.

When the active trace control is operating,
you may feel a pulsation in the brake pedal
and hear a noise. This is normal and indicates
that the active trace control is operating
properly. You may also feel deceleration
when the active trace control is operating.
However, this is not a malfunction.

Even if the active trace control is set to OFF,
some functions will remain on to assist the
driver (for example, avoidance scenes).

WARNING

.

Never rely solely on the hill start
assist system to prevent the vehicle
from moving backward on a hill.
Always drive carefully and atten-
tively. Depress the brake pedal when
the vehicle is stopped on a steep hill.
Be especially careful when stopped
on a hill on frozen or muddy roads.
Failure to prevent the vehicle from
rolling backwards may result in a loss
of control of the vehicle and possible
serious injury or death.

.

The hill start assist system is not
designed to hold the vehicle at a
standstill on a hill. Depress the brake
pedal when the vehicle is stopped on
a steep hill. Failure to do so may
cause the vehicle to roll backwards
and may result in a collision or serious
personal injury.

.

The hill start assist system may not
prevent the vehicle from rolling back-
wards on a hill under all load or road
conditions. Always be prepared to
depress the brake pedal to prevent
the vehicle from rolling backwards.
Failure to do so may result in a
collision or serious personal injury.

The hill start assist system automatically
keeps the brakes applied to help prevent the
vehicle from rolling backwards in the time it
takes the driver to release the brake pedal
and apply the accelerator when the vehicle is
stopped on a hill.
The hill start assist system will operate
automatically under the following condi-
tions:

.

The transmission is shifted to a forward

or reverse gear.

.

The vehicle is stopped completely on a hill

by applying the brake.

The maximum holding time is 2 seconds.
After 2 seconds the vehicle will begin to roll
back and the hill start assist system will stop
operating completely.
The hill start assist system will not operate
when the transmission is shifted to the N
(Neutral) or P (Park) position or on a flat and
level road.

The chassis control is an electric control
module that includes the following func-
tions:

.

Log-in function (See “Log-in function”

(P.3-15).)

.

INFINITI Drive Mode Selector (See

“INFINITI Drive Mode Selector” (P.5-
21).)

.

Active Lane Control (if so equipped) (See

“Active Lane Control” (P.5-25).)

.

Active Trace Control (See “Active trace

control” (P.5-129).)

Starting and driving

5-131

HILL START ASSIST SYSTEM

CHASSIS CONTROL

5-132

Starting and driving

SSD0602

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 pre-
vent contact with small or moving
objects.

.

The system is designed as an aid to
the driver in detecting large station-
ary objects to help avoid damaging
the vehicle. The system will not
detect small objects below the bum-
per, and may not detect objects that
are too 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 measure-

ment of obstacles 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 [Auto Show Sonar Image] key is turned
on in the [Parking Sonar] settings, the sonar
indicator will also appear on the upper
display. (See “Sonar indicator” (P.5-134).)
The system detects front obstacles when the
shift lever is in the D (Drive) position or N
(Neutral) position. The system detects both
front and rear obstacles when the shift 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 ft (1.2 m) from the bumper with a
decreased coverage area at the outer cor-
ners 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

SONAR SYSTEM (if so equipped)

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) on
the lower display.
The intermittent tone will stop in 3 seconds
when an obstacle is detected by only the
corner sensor and the distance does not
change.

JVS0246X

SONAR SYSTEM SETTINGS

Perform the following steps to set up the
sonar function.
1. Push the MENU button

and touch

[Settings] on the lower display.

2. Touch [Parking Sonar].
The displayed keys on the lower display may
vary depending on models, specifications
and software versions.
For the details of the available settings, see
“Turning on and off the sonar function” (P.4-
26).

WAF0289X

Example (bird’s-eye view)

WAF0288X

Example (rear view)

Starting and driving

5-133

5-134

Starting and driving

SONAR INDICATOR

When the corner of the vehicle moves closer
to an object, the corner sensor indicator
appears on the upper display.
When the center of the vehicle moves close
to an object, the center sensor indicator
appears on the upper display.

FREEING A FROZEN DOOR LOCK

To prevent a door lock from freezing, apply
deicer through the key hole. If the lock
becomes frozen, heat the key before insert-
ing it into the key hole or use the Intelligent
Key system.

ANTIFREEZE

In the winter when it is anticipated that the
outside temperature will drop below 32°F
(0°C), check antifreeze to assure proper
winter protection. For additional informa-
tion, see “Engine cooling system” (P.8-3) or
“Intercooler cooling system” (P.8-5).

BATTERY

If the battery is not fully charged during
extremely cold weather conditions, the bat-
tery fluid may freeze and damage the
battery. To maintain maximum efficiency,
the battery should be checked regularly. For
additional information, see “Battery” (P.8-
11).

DRAINING OF COOLANT WATER

If the vehicle is to be left outside without
antifreeze, drain the cooling system, includ-
ing the engine block. Refill before operating
the vehicle. For details, see “Engine cooling
system” (P.8-3).

TIRE EQUIPMENT

SUMMER tires have a tread designed to
provide superior performance on dry pave-
ment. However, the performance of these
tires will be substantially reduced in snowy
and icy conditions. If you operate your
vehicle on snowy or icy roads, INFINITI
recommends the use of MUD & SNOW or
ALL SEASON tires on all four wheels. It is
recommended you consult an INFINITI re-
tailer for the tire type, size, speed rating and
availability information.
For additional traction on icy roads, studded
tires may be used. However, some U.S.
states and Canadian provinces prohibit their
use. Check local, state and provincial laws
before installing studded tires.

Skid and traction capabilities of studded
snow tires, on wet or dry surfaces, may be
poorer than that of non-studded snow tires.

Tire chains may be used. For details, see
“Tire chains” (P.8-33) of this manual.

Intelligent All-Wheel Drive (AWD)
models

If you install snow tires, they must also be
the same size, brand, construction and tread
pattern on all four wheels.

COLD WEATHER DRIVING

SPECIAL WINTER EQUIPMENT

It is recommended that the following items
be carried in the vehicle during winter:

.

A scraper and stiff-bristled brush to

remove ice and snow from the windows
and wiper blades.

.

A sturdy, flat board to be placed under

the jack to give it firm support.

.

A shovel to dig the vehicle out of

snowdrifts.

.

Extra window washer fluid to refill the

reservoir tank.

DRIVING ON SNOW OR ICE

WARNING

.

Wet ice (32°F, 0°C and freezing rain),
very cold snow or ice can be slick and
very hard to drive on. The vehicle will
have much less traction or “grip”
under these conditions. Try to avoid
driving on wet ice until the road is
salted or sanded.

.

Whatever the condition, drive with
caution. Accelerate and slow down
with care. If accelerating or down-
shifting too fast, the drive wheels will
lose even more traction.

.

Allow more stopping distance under
these conditions. Braking should be
started sooner than on dry pave-
ment.

.

Allow greater following distances on
slippery roads.

.

Watch for slippery spots (glare ice).
These may appear on an otherwise
clear road in shaded areas. If a patch
of ice is seen ahead, brake before
reaching it. Try not to brake while on
the ice, and avoid any sudden steer-
ing maneuvers.

.

Do not use the cruise control on
slippery roads.

.

Snow can trap dangerous exhaust
gases under your vehicle. Keep snow
clear of the exhaust pipe and from
around your vehicle.

ENGINE BLOCK HEATER (if so
equipped)

Engine block heaters are used to assist in
cold temperature starting.
The engine block heater should be used
when the outside temperature is 20°F
(−7°C) or lower.

To use the engine block heater

1. Turn the engine off.
2. Open the hood and unwrap the engine

block heater cord.

3. Plug the engine block heater cord into a

grounded 3-wire, 3-pronged extension
cord.

4. Plug the extension cord into a Ground

F a u l t I n t e r r u p t ( G F I ) p r o t e c t e d ,
grounded 110-volt AC (VAC) outlet.

5. The engine block heater must be plugged

in for at least 2 - 4 hours, depending on
outside temperatures, to properly warm
the engine coolant. Use an appropriate
timer to turn the engine block heater on.

6. Before starting the engine, unplug and

properly store the cord to keep it away
from moving parts.

WARNING

.

Do not use your engine block heater
with an ungrounded electrical system
or a 2-pronged adapter. You can be
seriously injured by an electrical
shock if you use an ungrounded
connection.

.

Disconnect and properly store the
engine block heater cord before

Starting and driving

5-135

5-136

Starting and driving

starting the engine. Damage to the
cord could result in an electrical shock
and can cause serious injury.

.

Use a heavy-duty 3-wire, 3-pronged
extension cord rated for at least 10A.
Plug the extension cord into a Ground
Fault Interrupt (GFI) protected,
grounded 110-VAC outlet. Failure
to use the proper extension cord or
a grounded outlet can result in a fire
or electrical shock and cause serious
personal injury.

JVS0263X

NOTE:

To operate the active noise cancellation and
active sound enhancement system properly:

.

Do not cover the speakers or woofer.

.

Do not cover the microphones.

.

Do not change or modify speakers in-

cluding the woofer and any audio related
parts such as the amplifier.

.

Do not make any modification including

sound deadening or modifications
around the microphones, speakers or
woofer.

ACTIVE NOISE CANCELLATION/
ACTIVE SOUND ENHANCEMENT

ACTIVE NOISE CANCELLATION

The active noise cancellation uses micro-
phones

located inside the vehicle to detect

engine booming noises. The system then
automatically produces a muted engine
booming noise through the speakers

and

woofer

(if so equipped) to reduce engine

booming noise.
If the microphone

or the area around it is

tapped, abnormal noise may be output from
the speaker.

ACTIVE SOUND ENHANCEMENT

The active sound enhancement generates
sounds according to engine speed and
driving modes through the speakers

and

woofer

(if so equipped) to enhance the

quality of the engine sound.

Starting and driving

5-137

6 In case of emergency

Hazard warning flasher switch . . . . . . . . . . 6-2
Roadside assistance program . . . . . . . . . ... 6-2
Emergency engine shut off . . . . . . . . . . . 6-3
Flat tire . . . . . . . . . . . . . . . . . . . . 6-3

Tire Pressure Monitoring System (TPMS) . . ... 6-3
Run-flat tires (if so equipped) . . . . . . . . .. 6-4

Jump starting . . . . . . . . . . . . . . . . . 6-5
Push starting . . . . . . . . . . . . . . . . . .. 6-7
If your vehicle overheats . . . . . . . . . . . . . 6-7
Towing your vehicle . . . . . . . . . . . . . . 6-8

Towing recommended by INFINITI . . . . . . 6-9
Vehicle recovery (freeing a stuck vehicle) . . 6-10

6-2

In case of emergency

SIC2574

Push the switch on to warn other drivers
when you must stop or park under emer-
gency conditions. All turn signal lights will
flash.

WARNING

.

If stopping for an emergency, be sure
to move the vehicle well off the road.

.

Do not use the hazard warning
flashers while moving on the highway
unless unusual circumstances force
you to drive so slowly that your
vehicle might become a hazard to
other traffic.

.

Turn signals do not work when the
hazard warning flasher lights are on.

The flasher can be actuated with the ignition
switch in any position.
When an impact that could activate the
supplemental air bags is detected, the
hazard warning flasher lights blink automa-
tically. If the hazard warning flasher switch is
pushed, the hazard warning flashers will turn
off.

WARNING

Do not turn the hazard warning flasher
switch to off until you can make sure
that it is safe to do so. Also, the hazard
flasher warning may not blink automa-
tically depending on the force of impact.

Some state laws may prohibit the use of the
hazard warning flasher switch while driving.

In the event of a roadside emergency,
Roadside Assistance Service is available to
you. Please refer to your Warranty Informa-
tion Booklet (U.S.) or Warranty & Roadside
Assistance Information Booklet (Canada) for
details.

HAZARD WARNING FLASHER SWITCH

ROADSIDE ASSISTANCE PROGRAM

To shut off the engine in an emergency
situation while driving, perform the follow-
ing procedure:

.

Rapidly push the push-button ignition

switch 3 consecutive times in less than
1.5 seconds, or

.

Push and hold the push-button ignition

switch for more than 2 seconds.

If you have a flat tire, follow the instructions
in this section.
For models with run-flat tires, you can
continue driving to a safe location even if
they are punctured. (See “Run-flat tires”
(P.6-4) and “Run-flat tires” (P.8-32).)

TIRE PRESSURE MONITORING
SYSTEM (TPMS)

This vehicle is equipped with the Tire
Pressure Monitoring System (TPMS). It
monitors tire pressure of all tires except the
spare. When the low tire pressure warning
light is lit and the “Tire Pressure Low - Add
Air” warning appears in the vehicle informa-
tion display, one or more of your tires is
significantly under-inflated. If the vehicle is
being driven with low tire pressure, the
TPMS will activate and warn you of it by
the low tire pressure warning light. This
system will activate only when the vehicle is
driven at speeds above 16 MPH (25 km/h).
For more details, see “Warning lights, in-
dicator lights and audible reminders” (P.2-
10) and “Tire Pressure Monitoring System
(TPMS)” (P.5-5).

WARNING

.

Radio waves could adversely affect
electric medical equipment. Those

who use a pacemaker should contact
the electric medical equipment man-
ufacturer for the possible influences
before use.

.

If the low tire pressure warning light
illuminates while driving, avoid sud-
den steering maneuvers or abrupt
braking, reduce vehicle speed, pull
off the road to a safe location and
stop the vehicle as soon as possible.
Driving with under-inflated tires may
permanently damage the tires and
increase the likelihood of tire failure.
Serious vehicle damage could occur
and may lead to an accident and
could result in serious personal injury.
Check the tire pressure for all four
tires. Adjust the tire pressure to the
recommended COLD tire pressure
shown on the Tire and Loading
Information label to turn the low tire
pressure warning light OFF. If the
light still illuminates while driving
after adjusting the tire pressure, a
tire may be flat. If you have a flat tire,
replace it with a spare tire (if so
equipped).

.

Since the spare tire is not equipped
with the TPMS, when a spare tire is
mounted or a wheel is replaced, the
TPMS will not function and the low
tire pressure warning light will flash

In case of emergency

6-3

EMERGENCY ENGINE SHUT OFF

FLAT TIRE

6-4

In case of emergency

for approximately 1 minute. The light
will remain on after 1 minute. Have
your tires replaced and/or TPMS
system reset as soon as possible. It
is recommended you visit an INFINITI
retailer for these services.

.

Replacing tires with those not origin-
ally specified by INFINITI could affect
the proper operation of the TPMS.

.

Do not inject any tire liquid or aerosol
tire sealant into the tires, as this may
cause a malfunction of the tire pres-
sure sensors.

RUN-FLAT TIRES (if so equipped)

Run-flat tires are those tires that can be
used temporarily if they are punctured. See
“Run-flat tires” (P.8-32).
Also, refer to “Important Tire Safety Infor-
mation” (US) or “Tire Safety Information”
(Canada) in the INFINITI Warranty Informa-
tion Booklet.

WARNING

.

Although you can continue driving
with a punctured run-flat tire, re-
member that vehicle handling stabi-
lity is reduced, which could lead to an

accident and personal injury. Also,
driving a long distance at high speeds
may damage the tires.

.

Do not drive at speeds above 50
MPH (80 km/h) and do not drive
more than approximately 93 miles
(150 km) with a punctured run-flat
tire. The actual distance the vehicle
can be driven on a flat tire depends on
outside temperature, vehicle load,
road conditions and other factors.

.

Drive safely at reduced speeds. Avoid
hard cornering or braking, which may
cause you to lose control of the
vehicle.

.

If you detect any unusual sounds or
vibrations while driving with a punc-
tured run-flat tire, pull off the road
to a safe location and stop the vehicle
as soon as possible. The tire may be
seriously damaged and need to be
replaced.

CAUTION

.

Never install tire chains on a punctu-
red run-flat tire, as this could damage
your vehicle.

.

Avoid driving over any projection or
pothole, as the clearance between
the vehicle and the ground is smaller
than normal.

.

Do not enter an automated car wash
with a punctured run-flat tire.

.

It is recommended you have the
punctured tire inspected by an
INFINITI retailer or other authorized
repair shop. Replace the tire as soon
as possible if the tire is seriously
damaged.

If you have a flat tire and have to stop the
vehicle, follow the instructions below.
1. Safely move the vehicle off the road and

away from traffic.

2. Turn on the hazard warning flashers.
3. Park on a level surface and apply the

parking brake. Move the shift lever to the
P (Park) position.

4. Turn off the engine.
5. Raise the hood to warn other traffic, and

to signal professional road assistance
personnel that you need assistance.

6. Have all passengers get out of the

vehicle and stand in a safe place, away
from traffic and clear of the vehicle.

For the tire removing procedure, see “Jack-