temperature INFINITI QX30 2018 Service Manual

Compact Disc (CD) player
SymptomPossible cause Possible solution
Music cannot be played back. The disc is inserted upside down.Insert a CD with the label side facing up.
Moisture has accumulated inside the unit. Wait until the moisture evaporates. (approximately 1 hour)
The cabin temperature is too high. Wait until the cabin temperature becomes
moderate.
The disc is scratched or dirty. Wipe off any dirt from the disc.
Scratched discs cannot be recovered. Replace the disc.
Depending on the condition in which they are stored, discs may become unreadable due to
deterioration (for example, keeping the discs in the passenger compartment, etc.). Replace the disc with a deterioration-free disc. Do
not use a deteriorated disc. The label surface of the disc may crack or chip, and the layer of the label surface may eventually peel off.
Compressed audio files cannot be played back. If both music CD files (CD-DA data) and compressed audio files (MP3 data, etc.) are mixedon one disc, the compressed audio files cannot be played back. Prepare a disc that contains compressed audio files
only.
The files are not named using characters that are compliant with the specifications. Use the character codes and the number of
characters that are compliant with the
specifications for folder names and file names. In addition, always use “.MP3”, “.WMA”, “.mp3” or “.wma” file extensions.
It takes a long time before the music starts playing. The disc contains a large amount of data. Some time may be required to check the files. It is recommended that unnecessary folders or any filesother than compressed audio files should not be recorded on a disc.
The sound quality is poor. The disc is dirty.Wipe off any dirt from the disc.
Display screen, heater and air conditioner, and audio system4-127

MONITOR SYSTEM
SymptomPossible cause Possible solution
The image on the display is not clear. The front of the camera lens is dirty.Gently wipe off the dirt with a damp soft cloth.
Moisture drops such as rain or snow form on the camera lens. Gently wipe off the drops with a soft cloth.
Light such as sunlight or a headlight beam from another vehicle directly enters the camera. This is not a malfunction. It will return to normal
when the light disappears.
Moisture condensation occurs in the camera lens due to rapid temperature change. This is not a malfunction. It will return to normal
after driving for short period of time.
Objects on the display may not be clear in a dark place or at night. Adjust the brightness or the contrast settings of
the screen.
The image on the display flickers. The vehicle is under fluorescent light. This is not a malfunction.
The colors of the object on the display look different from those of the actual object. This is a typical phenomenon for cameras.
This is not a malfunction.
Image does not appear on the display. The shift lever is not shifted to the R (Reverse) position.Shift the shift lever to the R (Reverse) position.
[Automatic Display with Sonar] is OFF. Set [Automatic Display with Sonar] to ON.
The image appears on the display from the wrong angle. The lift gate is open.
Close the lift gate.
The image on the display is not clearly visible. Strong light or reflected light enters the camera. This is not a malfunction.
The sensor is not detective. There is ice or snow on the sensor. Flush out ice and snow with warm water.
There is dirt, mud or wax on the sensor. Gently wipe off the dirt with a damp soft cloth.
Vertical lines appear on the image. Strong reflected light from the bumper enters the
camera. This is not a malfunction.
Display screen, heater and air conditioner, and audio system4-135

WARNING
•Never leave children or adults who
would normally require the support of
others alone in your vehicle. Pets should
not be left alone either. They could un-
knowingly activate switches or controls
and inadvertently become involved in a
serious accident and injure themselves.
On hot, sunny days, temperatures in a
closed vehicle could quickly become high
enough to cause severe or possibly fatal
illness to people or animals.
•Properly secure all cargo to help prevent
it from sliding or shifting. Do not place
cargo higher than the seatbacks. In a
sudden stop or collision, unsecured
cargo could cause personal injury.
•To avoid raising the center of gravity
excessively, do not exceed the rated ca-
pacity of the roof rack (if so equipped)
and evenly distribute the load.
EXHAUST GAS (CARBON
MONOXIDE)
WARNING
•Do not breathe exhaust gas; it contains
colorless and odorless carbon monoxide.
Carbon monoxide is dangerous. It can
cause unconsciousness or death.
•If you suspect that exhaust fumes are
entering the vehicle, drive with all win-
dows fully open, and have the vehicle
inspected immediately.
•Do not run the engine in closed spaces
such as a garage.
•Do not park the vehicle with the engine
running for an extended period of time.
•Keep the lift gate closed while driving,
otherwise exhaust gas could be drawn
into the passenger compartment. If you
must drive with the lift gate open, fol-
low these precautions: – Open all the windows.
– Turn the air recirculation switch off
and set the fan control to the highest
level to circulate the air.
•If electrical wiring or other cable con-
nections must pass to a trailer through
the seal ion the lift gate or body, follow the manufacturer's recommendations
to prevent carbon monoxide entry into
the vehicle.
•The exhaust system and body should be
inspected by a qualified mechanic when-
ever: – You suspect that exhaust fumes are
entering into the passenger compart-
ment.
– You notice a change in the sound of
the exhaust system.
– You have had an accident involving
damage to the exhaust system, un-
derbody, or rear of the vehicle.
THREE-WAY CATALYST (IF
EQUIPPED)
The three-way catalyst is an emission control
device installed in the exhaust system. Ex-
haust gas in the three-way catalyst is burned
at high temperatures to help reduce pollut-
ants.
WARNING
•The exhaust gas and the exhaust system
are very hot. Keep people, animals and
flammable materials away from the ex-
haust system components.
PRECAUTIONS WHEN STARTING
AND DRIVING
5-4Starting and driving

can be driven on a flat tire depends on
outside temperature, vehicle load,
road conditions and other factors.
– 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 se-
riously damaged and need to be re-
placed.
•Replacing tires with those not originally
specified by INFINITI could affect the
proper operation of the TPMS.
•If you used Emergency Tire Sealant to
repair a minor tire puncture, the TPMS
sensor should be checked when repair-
ing or replacing the tire (for models
equipped with the emergency tire punc-
ture repair kit). It is recommended you
visit an INFINITI retailer for this service.
•INFINITI recommends using only
INFINITI Genuine Emergency Tire Seal-
ant provided with your vehicle. Other
tire sealants may damage the valve stem
seal which can cause the tire to lose air
pressure (for models equipped with the
emergency tire puncture repair kit).
CAUTION
•The TPMS may not function properly
when the wheels are equipped with
snow chains or the wheels are buried in
snow.
•Do not place metallized film or any metal
parts (antenna, etc.) on the windows.
This may cause poor reception of the
signals from the tire pressure sensors,
and the TPMS will not function
properly.
It is the driver's responsibility to set the tire
pressure to the recommended cold tire pres-
sure suitable for the operating situation (see
"Wheels and tires" in the "8. Do-it-yourself"
section). Note that the correct tire pressure
for the current operating situation must first
be taught-in to the tire pressure monitor (see
"Restarting TPMS" later in this section).
If there is a substantial loss of pressure, the
warning threshold for the warning message
is aligned to the reference values taught-in.
Restart the tire pressure monitor after ad-
justing to the cold tire pressure. The current
pressures are saved as new reference values.
This will ensure that a warning message will
only appear if the tire pressure drops signifi-
cantly. The tire pressure monitor does not warn you
of an incorrectly set tire pressure.
TPMS is not able to warn you of a sudden
loss of pressure, e. g. if the tire is penetrated
by a foreign object. In the event of a sudden
loss of pressure, bring the vehicle to a halt by
braking carefully. Avoid abrupt steering ma-
neuvers.
TPMS has a yellow warning light in the com-
bination meter for indicating a pressure loss
or malfunction. Depending on how the warn-
ing light flashes or lights up, a tire pressure
that is too low or a malfunction in TPMS is
indicated:
•If the warning light is lit continuously, the
tire pressure on one or more tires is signifi-
cantly too low. TPMS is not malfunction-
ing.
•If the warning light flashes for around a
minute and then remains lit constantly, the
TPMS is malfunctioning.
In addition to the warning light, a message
appears in the vehicle information display.
Observe the information on display mes-
sages (see "Safety systems" in the "2. Instru-
ments and controls" section
It may take up to ten minutes for a malfunc-
tion of the tire pressure monitor to be indi-
cated. A malfunction will be indicated by the
Starting and driving5-7

The Idle Stop/Start function switches the
engine off automatically if the vehicle is
stopped under certain conditions.
When pulling away again, the engine starts
automatically. The Idle Stop/Start function
thereby helps you to reduce the fuel con-
sumption and emissions of your vehicle.
WARNING
If the engine is switched off automatically
and you exit the vehicle, the engine is re-
started automatically. The vehicle may be-
gin moving There is a risk of accident and
injury.
If you wish to exit the vehicle, always turn
off the ignition and secure the vehicle
against rolling away.If the
Idle Stop/Start symbol is shown
in green in the vehicle information display, the
Idle Stop/Start function switches the engine
off automatically once the vehicle stops mov-
ing.
The Idle Stop/Start function is automatically
activated each time you start the engine with
the ignition key.
If the Idle Stop/Start function has been
manually deactivated (see "Deactivating/
activating the Idle Stop/Start function" later
in this section) or a malfunction has caused
the system to be deactivated, the
Idle
Stop/Start symbol is not displayed.
AUTOMATIC ENGINE
SWITCH-OFF
The Idle Stop/Start function is operational
and theIdle Stop/Start symbol is dis-
played in green in the vehicle information dis-
play, if:
•The indicator light in the ECO button is lit
green.
•The outside temperature is within the
range that is suitable for the system.
•The engine is at normal operating tem-
perature.
•The set temperature for the vehicle interior
has been reached.
•The battery is sufficiently charged.
•The system detects that the windshield is
not misted up when the air-conditioning
system is switched on.
•The hood is closed.
•The driver's door is closed and the driver's
seat belt is fastened.
If the conditions for automatic engine
switch-off are not all fulfilled, the
Idle
Stop/Start symbol is shown in yellow.
NSD620
Idle Stop/Start symbol
IDLE STOP/START SYSTEM (IF
EQUIPPED)
Starting and driving5-29

All of the vehicle's systems remain active
when the engine is switched off automati-
cally.
The engine can be switched off automatically
a maximum of four times (initial stop, then
three subsequent stops) in succession. The
Idle Stop/Start symbol is shown in yel-
low in the vehicle information display after
the engine has been started automatically for
the fourth time. When the
Idle Stop/
Start symbol is shown in green in the vehicle
information display, automatic engine
switch-off is again possible.
NOTE
If the hood is opened while the engine is run-
ning and the Idle Stop/Start function is op-
erational, the engine will switch off auto-
matically.
If the vehicle is brought to a standstill in D or
N, the Idle Stop/Start function switches off
the engine automatically.
AUTOMATIC ENGINE START
The engine is started automatically if:
•You switch off the Idle Stop/Start func-
tion by pressing the ECO button.
•You engage Reverse R or Drive D.
•You unfasten your seat belt or open the
driver's door.
•The vehicle starts to roll.
•The brake system requires this.
•The temperature in the vehicle interior de-
viates from the set range.
•The system detects moisture on the wind-
shield when the air-conditioning system is
switched on.
•The battery's charge status is too low.
The engine is started automatically if you:
•Release the brake pedal in transmission
position D (Drive) or N (Neutral).
•Depress the accelerator pedal.
•Move the transmission out of position P
(Park).
Shifting the transmission to position P (Park)
does not start the engine.
If you shift the transmission from R (Reverse)
to D (Drive), the Idle Stop/Start function is
available again once the
Idle Stop/
Start symbol reappears in green in the vehicle
information display.
DEACTIVATING/ACTIVATING
THE IDLE STOP/START
FUNCTION
•To deactivate: press ECO button1. Indi-
cator light
2and theIdle Stop/
Start symbol in the vehicle information dis-
play turn off.
•To activate: press ECO button1. Indica-
tor light
2lights up. If all conditions for
automatic engine switch-off (see "Auto-
matic engine switch-off" earlier in this sec-
tion) are fulfilled, the
Idle Stop/Start
symbol is shown in green in the vehicle
information display.
NIC2633
5-30Starting and driving

Follow these easy-to-use Fuel Efficient Driv-
ing Tips to help you achieve the most fuel
economy from your vehicle.
1.Use Smooth Accelerator and Brake Pedal
Application
•Avoid rapid starts and stops.
•Use smooth, gentle accelerator and
brake application whenever possible.
•Maintain constant speed while com-
muting and coast whenever possible.
2. Maintain Constant Speed
•Look ahead to try and anticipate and
minimize stops.
•Synchronizing your speed with traffic
lights allows you to reduce your num-
ber of stops.
•Maintaining a steady speed can mini-
mize red light stops and improve fuel
efficiency.
3. Use Air Conditioning (A/C) at Higher Ve-
hicle Speeds
•Below 40 MPH (64 km/h), it is more
efficient to open windows to cool the
vehicle due to reduced engine load.
•Above 40 MPH (64 km/h), it is more
efficient to use A/C to cool the vehicle
due to increased aerodynamic drag.
•Recirculating the cool air in the cabin
when the A/C is on reduces cooling
load.
4. Drive at Economical Speeds and Dis-
tances
•Observing the speed limit and not ex-
ceeding 60 MPH (97 km/h) (where le-
gally allowed) can improve fuel effi-
ciency due to reduced aerodynamic
drag.
•Maintaining a safe following distance
behind other vehicles reduces unneces-
sary braking.
•Safely monitoring traffic to anticipate
changes in speed permits reduced
braking and smooth acceleration
changes.
•Select a gear range suitable to road
conditions.
5. Use Cruise Control
•Using cruise control during highway
driving helps maintain a steady speed.
•Cruise control is particularly effective in
providing fuel savings when driving on
flat terrains.
Utilize a map or navigation system to deter-
mine the best route to save time. 6.
Avoid Idling
•Shutting off your engine when safe for
stops exceeding 30 seconds saves fuel
and reduces emissions.
7. Buy an Automated Pass for Toll Roads
•Automated passes permit drivers to
use special lanes to maintain cruising
speed through the toll and avoid stop-
ping and starting.
8. Winter Warm Up
•Limit idling time to minimize impact to
fuel economy.
•Vehicles typically need no more than
30 seconds of idling at start-up to ef-
fectively circulate the engine oil before
driving.
•Your vehicle will reach its ideal operat-
ing temperature more quickly while
driving versus idling.
9. Keeping your Vehicle Cool
•Park your vehicle in a covered parking
area or in the shade whenever possible.
•When entering a hot vehicle, opening
the windows will help to reduce the
inside temperature faster, resulting in
reduced demand on your A/C system.
FUEL EFFICIENT DRIVING TIPS
5-86Starting and driving

•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

roll away There is a risk of an accident
and injury. Therefore, quickly move your
foot from the brake pedal to the accel-
erator pedal. Never leave the vehicle
when it is held by hill start assist.
Hill start assist helps you when pulling away
forwards or in reverse on an uphill gradient. It
holds the vehicle for a short time after you
have removed your foot from the brake
pedal. This gives you enough time to move
your foot from the brake pedal to the accel-
erator pedal and depress it before the vehicle
begins to roll.
Hill start assist is not active if
•You are pulling away on a level road or a
downhill gradient.
•On vehicles with automatic transmission,
the transmission is in position N.
•The electric parking brake is applied.
•VDC is malfunctioning.
FREEING A FROZEN DOOR LOCK
To prevent a door lock from freezing, apply
deicer through the key hole. If the lock be-
comes frozen, heat the key before inserting it
into the key hole, or use the INFINITI Intelli-
gent Key.
ANTIFREEZE
In the winter when it is anticipated that the
temperature will drop below 32°F (0°C),
check the antifreeze to assure proper winter
protection. For additional information, see
"Engine cooling system" in the "8. Do-it-
yourself" section.
BATTERY
If the battery is not fully charged during ex-
tremely cold weather conditions, the battery
fluid may freeze and damage the battery. To
maintain maximum efficiency, the battery
should be checked regularly. For details, see
"Battery" in the "8. Do-it-yourself" section of
this manual.
DRAINING OF ENGINE COOLANT
If the vehicle is to be left outside without
antifreeze, drain the cooling system, including
the engine block. Refill before operating the
vehicle. For details, see "Changing engine
coolant" in the "8. Do-it-yourself" section of
this manual.
TIRE EQUIPMENT
1. SUMMER tires have a tread designed to provide superior performance on dry
pavement. 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 that you visit
an INFINITI retailer for the tire type, size,
speed rating and availability information.
2. For additional traction on icy roads, stud- ded tires may be used. However, some
U.S. states and Canadian provinces pro-
hibit their use. Check local, state and pro-
vincial 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.
3. Tire chains may be used if desired. Make sure they are the proper size for the tires
on your vehicle and are installed according
to the chain manufacturer’s instructions.
Use chain tensioners when recommended
by the tire chain manufacturer to ensure a
tight fit. Loose end links of the tire chains
must be secured or removed to prevent
the possibility of whipping action damage
to the fenders or underbody. In addition,
COLD WEATHER DRIVING
Starting and driving5-97

In addition to the vehicle load, the driving
distance possible depends upon:
•Vehicle speed.
•Road condition.
•Outside temperature.
The driving distance possible in run-flat mode
may be reduced by extreme driving
conditions/maneuvers, or it can be increased
through a moderate style of driving.
The driving distance possible in run-flat mode
is counted from the moment the tire pressure
loss warning appears in the vehicle informa-
tion display.
You must not exceed a maximum speed of 50
MPH (80 km/h).
When replacing one or all tires, observe the
following specifications for your vehicle's
tires:
•Size
•Type
•Run-flat mark
If a tire has gone flat and cannot be replaced
with a run flat tire, a standard tire may be
used as a temporary measure. Make sure that
you use the proper size and type (summer or
winter tire).
WARNING
Do not exceed the stated maximum speed.
Avoid abrupt steering and driving maneu-
vers, and driving over obstacles (curbs, pot
holes, off road). This applies in particular to
a laden vehicle.
Stop driving in emergency mode if:
•You hear banging noises.
•The vehicle starts to shake.
•You see smoke and smell rubber.
•VDC is intervening constantly.
•There are tears in the sidewalls of the
tire.
After driving in emergency mode, have the
wheel rims checked with regard to their
further use. It is recommended you visit an
INFINITI retailer for this service. The faulty
tire must be replaced.
REMOVING AND FITTING
WHEELS
NOTE
A spare wheel is not provided with your ve-
hicle.
Blocking the wheels
WARNING
Make sure to block the appropriate wheel
to prevent the vehicle from moving, which
may cause personal injury.
Place suitable blocks
1in front of and be-
hind the wheel diagonally opposite the flat
tire
Ato prevent the vehicle from moving
when it is on the jack.
MCE0001DZ
In case of emergency6-5