engine INFINITI QX80 2018 User Guide

2-8Instruments and controls
SIC4371
TACHOMETER
The tachometer indicates engine speed in
revolutions per minute (RPM).Do not rev
the engine into the red zone
.
CAUTION
When engine speed approaches the red
zone, shift to a higher gear or reduce
engine speed. Operating the engine in
the red zone may cause serious engine
damage.
SIC4372
ENGINE COOLANT TEMPERA-
TURE GAUGE
The gauge indicates the engine coolant
temperature.
The engine coolant temperature is within the
normal range when the gauge needle points
within the zone
shown in the illustration.
The engine coolant temperature varies with
the outside air temperature and driving
conditions.
CAUTION
If the gauge indicates engine coolant
temperature near the hot (H) end of the
normal range, reduce vehicle speed to
decrease temperature. If gauge is over
the normal range, stop the vehicle as
soon as safely possible. If the engine is
overheated, continued operation of the
vehicle may seriously damage the engine.
See “If your vehicle overheats” (P.6-14)
for immediate action required.

SIC4374
FUEL GAUGE
The gauge indicates theapproximatefuel
level in the tank.
The gauge may move slightly during braking,
turning, acceleration, or going up or down
hills.
The gauge needle returns to 0 (Empty) after
the ignition switch is pushed to the OFF
position.
Refill the fuel tank before the gauge
registers “0” (Empty).
The low fuel warning
appears on the
vehicle information display when the fuel
tank is getting low. Refuel as soon as it is
convenient, preferably before the gauge reaches “0”. There will be a small reserve of
fuel in the tank when the fuel gauge needle
reaches “0”.
The
indicates that the fuel-filler door is
located on the driver’s side of the vehicle.
CAUTION
. If the vehicle runs out of fuel, themalfunction indicator light (MIL) may
come on. Refuel as soon as possible.
After a few driving trips, the
light should turn off. If the light
remains on after a few driving trips,
have the vehicle inspected. It is
recommended you visit an INFINITI
retailer for this service.
. For additional information, see “Mal-
function Indicator Light (MIL)” (P.2-
19).SIC4375
ENGINE OIL PRESSURE GAUGE
The gauge indicates the engine lubrication
system oil pressure while the engine is
running. When the engine speed is high, the
engine oil pressure is also high. When it is
low, the gauge indicates the low (L) oil
pressure.
The engine oil pressure is normal when the
gauge needle points within the zone
shown in the illustration.
CAUTION
.This gauge is not designed to indicate
low engine oil level. Use the dipstick
Instruments and controls2-9

2-10Instruments and controls
to check the oil level. (See “Engine oil”
(P.8-6).)
. If the gauge needle does not move
with the proper amount of engine oil,
have the vehicle checked. It is recom-
mended you visit an INFINITI retailer
for this service. Continued vehicle
operation in such a condition could
cause serious damage to the engine.
SIC4376
VOLTMETER
When the ignition switch is pushed to the
ON position, the volt meter indicates the
battery voltage. When the engine is running,
it indicates the generator voltage.
While cranking the engine, the volt drop
below the normal range. If the needle is not
in the normal range (10.5 to 15.5 volt) while
the engine is running, it may indicate that the
charging system is not functioning properly.
Have the system checked. It is recommended
you visit an INFINITI retailer for this service.
METER/RING ILLUMINATION
AND NEEDLE SWEEP
The ring illumination surrounding meters and
gauges illuminates when the driver’s door is
closed after getting into the vehicle with the
Intelligent Key carried in.
When the engine is started, the indicator
needles will sweep in the speedometer and
tachometer and the ring illumination will be
brightened gradually. This function can be
turned off. (See “Trip computer” (P.2-28).)

Anti-lock Braking System (ABS) warning
lightIntelligent Key warning lightFront fog light indicator light
Lane Departure Warning (LDW) indica-
tor light (orange; if so equipped)Front passenger air bag status light
Automatic transmission check warning
lightLow tire pressure warning lightHigh beam assist indicator light
Automatic Transmission (AT) oil tem-
perature warning lightMaster warning lightHigh beam indicator light
Automatic Transmission (AT) park
warning lightSeat belt warning lightLane Departure Prevention (LDP) ON
indicator light (green; if so equipped)
Blind Spot Warning (BSW)/Blind Spot
Intervention (BSI) system warning light
(orange; if so equipped)Supplemental air bag warning lightMalfunction Indicator Light (MIL)
Brake warning lightVehicle Dynamic Control (VDC) warning
lightSecurity indicator light
Charge warning lightAdaptive Front lighting System (AFS)
indicator light (if so equipped)SNOW mode indicator light
Distance Control Assist (DCA) system
warning light (orange; if so equipped)Automatic transmission position indica-
tor lightTOW mode indicator light
Engine oil pressure warning lightBlind Spot Intervention (BSI) ON indica-
tor light (green; if so equipped)Turn signal/hazard indicator lights
Four-Wheel Drive (4WD) warning light
(4WD models)Check suspension indicator lightVehicle Dynamic Control (VDC) off in-
dicator light
Forward Emergency Braking (FEB) sys-
tem warning light (if so equipped)CRUISE indicator light (if so equipped)
Intelligent Cruise Control (ICC) system
warning light (orange; if so equipped)Exterior light indicator
Instruments and controls2-11
WARNING LIGHTS, INDICATOR
LIGHTS AND AUDIBLE REMINDERS

2-12Instruments and controls
CHECKING LIGHTS
With all doors closed, apply the parking
brake, fasten the seat belts and place the
ignition switch in the ON position without
starting the engine. The following lights (if
so equipped) will come on:
,or,,,,,
The following lights (if so equipped) will
come on briefly and then go off:
,or,,,,,,,,,
If any light does not come on or operates in a
way other than described, it may indicate a
burned-out bulb and/or a system malfunc-
tion. Have the system checked. It is recom-
mended you visit an INFINITI retailer for this
service.
Some indicators and warnings are also
displayed on the vehicle information display
between the speedometer and tachometer.
(See “Vehicle information display” (P.2-21).)
WARNING LIGHTS
orAnti-lock Braking
System (ABS) warning light
When the ignition switch is in the ON
position, the Anti-lock Braking System
(ABS) warning light illuminates and then
turns off. This indicates the ABS is opera-
tional.
If the ABS warning light illuminates while the
engine is running, or while driving, it may
indicate the ABS is not functioning properly.
Have the system checked. It is recommended
you visit an INFINITI retailer for this service.
If an ABS malfunction occurs, the anti-lock
function is turned off. The brake system then
operates normally, but without anti-lock
assistance. (See “Brake system” (P.5-131).)
Automatic transmission check
warning light
When the ignition switch is pushed to the
ON position, the light comes on for 2
seconds. If the light comes on at any other
time, it may indicate the transmission is not
functioning properly. It is recommend you
visit an INFINITI retailer to check and repair
the transmission.
Automatic Transmission (AT)
oil temperature warning light
This light illuminates when the Automatic
Transmission (AT) oil temperature is too
high. If the light illuminates while driving,
reduce the vehicle speed as soon as safely
possible until the light turns off.
CAUTION
Continued vehicle operation when the
AT oil temperature warning light is on
may damage the AT.
Automatic Transmission (AT)
park warning light (4WD models)
This light indicates that the Automatic
Transmission (AT) parking function is not
engaged. If the transfer control is not
secured in any driving position while the AT
shift lever is in the P (Park) position, the
transmission will disengage and the wheels
will not lock.
If the AT park warning light illuminates with
the shift lever in the P (Park) position, shift
the Four-Wheel Drive (4WD) shift switch
to the AUTO, 4H or 4L position again with

the shift lever in the N (Neutral) position.
(See “INFINITI all-mode 4WD®” (P.5-120).)
Blind Spot Warning (BSW)/
Blind Spot Intervention (BSI) system
warning light (orange; if so
equipped)
When the ignition switch is pushed to the
ON position, the indicator light will first
illuminate in orange and turn green before
turning off. This indicates that the Blind Spot
Warning (BSW) and Blind Spot Intervention
(BSI) systems are operational.
If the light comes on in orange and remains
on, it may indicate that the BSW and BSI
systems are not functioning properly.
Although the vehicle is still driveable, have
the systems checked. It is recommended you
visit an INFINITI retailer for this service. See
“Blind Spot Warning (BSW)” (P.5-32) and
“Blind Spot Intervention
®(BSI)” (P.5-42).
orBrake warning light
This light functions for both the parking
brake and the foot brake systems.
Parking brake indicator:
When the ignition switch is in the ON
position, the light comes on when the
parking brake is applied. Low brake fluid warning light:
When the ignition switch is in the ON
position, the light warns of a low brake fluid
level. If the light comes on while the engine is
running with the parking brake not applied,
stop the vehicle and perform the following:
1. Check the brake fluid level. If brake fluid is low, add fluid and have the system
checked. It is recommended you have this
service performed by an INFINITI retai-
ler. (See “Brake fluid” (P.8-9).)
2. If the brake fluid level is correct, have the warning system checked. It is recom-
mended you have this service performed
by an INFINITI retailer.
Low hydraulic pressure warning indicator:
If the brake warning light illuminates when
the engine is running, or while driving with
the parking brake is released, check the
brake fluid level. If the brake fluid level is
sufficient, it may indicate low hydraulic
pressure in the brake booster. Have the
brake system checked. It is recommended
you have this service performed by an
INFINITI retailer.
Anti-lock Braking System (ABS) warning
indicator:
When the parking brake is released and the
brake fluid level is sufficient, if both the
brake warning light and the Anti-lock Brak- ing System (ABS) warning light illuminate, it
may indicate the ABS is not functioning
properly. Have the brake system checked,
and if necessary repaired. It is recommended
you visit an INFINITI retailer for this service.
(See “Anti-lock Braking System (ABS) warn-
ing light” (P.2-12).)
WARNING
.
Your brake system may not be work-
ing properly if the warning light is on.
Driving could be dangerous. If you
judge it to be safe, drive carefully to
the nearest service station for re-
pairs. Otherwise, have your vehicle
towed because driving it could be
dangerous.
. Pressing the brake pedal with the
engine stopped and/or low brake
fluid level may increase your stopping
distance and braking will require
greater pedal effort as well as pedal
travel.
. If the brake fluid level is below the
minimum or MIN mark on the brake
fluid reservoir, do not drive until the
brake system has been checked. It is
recommended you visit an INFINITI
retailer for this service.
Instruments and controls2-13

2-14Instruments and controls
Charge warning light
If the light comes on while the engine is
running, it may indicate the charging system
is not functioning properly. Turn the engine
off and check the alternator belt. If the belt is
loose, broken, missing or if the light remains
on, have your vehicle serviced immediately. It
is recommended you visit an INFINITI re-
tailer for this service.
CAUTION
Do not continue driving if the alternator
belt is loose, broken or missing.
Distance Control Assist (DCA)
system warning light (orange; if so
equipped)
This light comes on if there is a malfunction
in the Distance Control Assist (DCA) system.
If the warning light illuminates, park the
vehicle in a safe place. Turn the engine off,
restart the engine, resume driving and turn
on the DCA system again.
If it is not possible to turn on the system or
the warning light stays on, it may indicate
that the system is malfunctioning. Although the vehicle is still driveable under normal
conditions, have the vehicle checked. It is
recommended you visit an INFINITI retailer
for this service.
See “Distance Control Assist (DCA)” (P.5-
87).
Engine oil pressure warning
light
This light warns of low engine oil pressure. If
the light flickers or comes on during normal
driving, pull off the road in a safe area, stop
the engine immediately and call an INFINITI
retailer or other authorized repair shop.
The engine oil pressure warning light is not
designed to indicate a low oil level. Use the
dipstick to check the oil level. (See “Engine
oil” (P.8-6).)
CAUTION
Running the engine with the engine oil
pressure warning light on could cause
serious damage to the engine almost
immediately. Such damage is not cov-
ered by warranty. Turn off the engine as
soon as it is safe to do so.
Four-Wheel Drive (4WD)
warning light (4WD models)
Thewarning light comes on when the
ignition switch is pushed to ON. It turns off
soon after the engine is started.
If the 4WD system malfunctions, or the
diameter of the front and the rear wheels are
different, the warning light will either remain
illuminated or blink. (See “INFINITI all-mode
4WD
®” (P.5-120).)
CAUTION
. If the warning light comes on while
driving there may be a malfunction in
the 4WD system. Reduce the vehicle
speed and have your vehicle checked
as soon as possible. It is recom-
mended you visit an INFINITI retailer
for this service.
. If the 4WD warning light turns on
when driving on dry or hard surfaced
roads:
— in the 4H(I) position, shift the 4WD shift switch to AUTO
— in the 4L(O) position, stop the vehicle and shift the transmission
shift lever to the N (Neutral)
position and shift the 4WD shift

switch to AUTO
. If the warning light is still on after the
above operations, have your vehicle
checked as soon as possible. It is
recommended you visit an INFINITI
retailer for this service.
Forward Emergency Braking
(FEB) system warning light (if so
equipped)
This light comes on when the ignition switch
is placed in the ON position. It turns off after
the engine is started.
This light illuminates when the Forward
Emergency Braking (FEB) with pedestrian
detection system is set to OFF on the center
display.
If the light illuminates when the FEB with
pedestrian detection system is ON, it may
indicate that the system is unavailable. See
“Forward Emergency Braking (FEB) with
pedestrian detection” (P.5-100) for more
details.
Intelligent Cruise Control (ICC)
system warning light (orange; if so
equipped)
This light comes on if there is a malfunction
in the Intelligent Cruise Control (ICC) sys-
tem.
If the warning light comes on, park the
vehicle in a safe place. Turn the engine off,
restart the engine, resume driving and set
the ICC system again.
If it is not possible to set the system or the
indicator stays on, it may indicate that the
system is malfunctioning. Although the
vehicle is still driveable under normal con-
ditions, have the vehicle checked. It is
recommended you visit an INFINITI retailer
for this service.
Intelligent Key warning light
After the ignition switch is pushed to the ON
position, this light comes on for about 2
seconds and then turns off.
This light warns of a malfunction with the
Intelligent Key system.
If the light comes on while the engine is
stopped, it may be impossible to start the
engine. If the light comes on while the engine
is running, you can drive the vehicle. How-
ever in these cases, it is recommended you visit an INFINITI retailer for repair as soon as
possible.
Lane Departure Warning
(LDW) indicator light (orange; if so
equipped)
When the ignition switch is pushed to the
ON position, the light will come on in orange,
turn green, and then turn off. This indicates
that the Lane Departure Warning (LDW)
and Lane Departure Prevention (LDP) sys-
tems are operational.
While the LDW and/or LDP system is on,
the light will blink in orange and a warning
chime will sound if the vehicle is traveling
close to either the left or the right of a
traveling lane with detectable lane markers.
If the light comes on in orange and remains
on, it may indicate that the LDW and LDP
systems are not functioning properly.
Although the vehicle is still driveable, have
the systems checked. It is recommended you
visit an INFINITI retailer for this service.
See “Lane Departure Warning (LDW)/Lane
Departure Prevention (LDP) ” (P.5-22).
Low tire pressure warning light
Your vehicle is equipped with a Tire Pressure
Monitoring System (TPMS) that monitors
Instruments and controls2-15

Check suspension indicator
light
When the ignition switch is placed in the ON
position, the light comes on for 2 seconds.
Cruise indicator light (if so
equipped)
Cruise main switch indicator:
This light illuminates when the cruise control
main switch is pushed. The light turns off
when the main switch is pushed again. When
the cruise main switch indicator light illumi-
nates, the cruise control system is opera-
tional. (See “Cruise control” (P.5-65).)
Cruise malfunction:
If the cruise indicator light blinks while the
engine is running, it may indicate the cruise
control system is not functioning properly.
Have the system checked. It is recommended
you visit an INFINITI retailer for this service.
(See “Cruise control” (P.5-65).)
Exterior light indicator
This indicator illuminates when the headlight
switch is turned to the AUTO,orposition and the front parking lights, instru-
ment panel lights, rear combination lights,
license plate lights or headlights are on. The indicator turns off when these lights are
turned off.
Front fog light indicator light
The front fog light indicator light illuminates
when the front fog lights are on. (See “Fog
light switch” (P.2-44).)
Front passenger air bag status
light
The front passenger air bag status light
() located on the instrument panel will be
lit and the passenger front air bag will be
OFF depending on how the front passenger
seat is being used.
For front passenger air bag status light
operation, see “INFINITI Advanced Air Bag
System (front seats)” (P.1-58).
High beam assist indicator
light
The indicator light illuminates when the
headlights come on while the headlight
switch is in the AUTO position with the high
beam selected. This indicates that the high
beam assist system is operational. (See
“High beam assist” (P.2-39).)
High beam indicator light
This light comes on when the headlight high
beam is on and goes out when the low beam
is selected.
Lane Departure Prevention
(LDP) ON indicator light (green; if
so equipped)
The light comes on in green when the Lane
Departure Prevention (LDP) system is
turned on. The light turns off when the
system is turned off.
NOTE:
This light is common with the Lane Depar-
ture Warning (LDW) indicator light (or-
ange). (See “Lane Departure Warning
(LDW) indicator light” (P.2-15).)
For more details, see “Lane Departure
Warning (LDW)/Lane Departure Prevention
(LDP) ” (P.5-22).
Malfunction Indicator Light
(MIL)
If the malfunction indicator light comes on
steady or blinks while the engine is running,
it may indicate a potential emission control
malfunction.
Instruments and controls2-19

2-20Instruments and controls
The malfunction indicator light may also
come on steady if the fuel-filler cap is loose
or missing, or if the vehicle runs out of fuel.
Check to make sure the fuel-filler cap is
installed and closed tightly, and that the
vehicle has at least 3 US gallons (14 liters) of
fuel in the fuel tank.
After a few driving trips, the
light should
turn off if no other potential emission
control system malfunction exists.
If this indicator light remains on for 20
seconds and then blinks for 10 seconds
when the engine is not running, it indicates
that the vehicle is not ready for an emission
control system inspection/maintenance test.
(See “Readiness for Inspection/Mainte-
nance (I/M) test” (P.10-33).)
Operation:
The malfunction indicator light will come on
in one of two ways:
. Malfunction indicator light on steady —
An emission control system malfunction
has been detected. Check the fuel-filler
cap if the LOOSE FUEL CAP warning
appears in the vehicle information dis-
play. If the fuel-filler cap is loose or
missing, tighten or install the cap and
continue to drive the vehicle. The
light should turn off after a few driving
trips. If thelight does not turn off
after a few driving trips, have the vehicle inspected. It is recommended you visit an
INFINITI retailer for this service. You do
not need to have your vehicle towed to
the retailer.
. Malfunction indicator light blinking — An
engine misfire has been detected which
may damage the emission control sys-
tem.
To reduce or avoid emission control
system damage:
1) Do not drive at speeds above 45
MPH (72 km/h).
2) Avoid hard acceleration or decelera- tion.
3) Avoid steep uphill grades.
4) If possible, reduce the amount of cargo being hauled or towed.
The malfunction indicator light may stop
blinking and remain on.
Have the vehicle inspected. It is recom-
mended you visit an INFINITI retailer for
this service. You do not need to have
your vehicle towed to the retailer.
CAUTION
Continued vehicle operation without
having the emission control system
checked and repaired as necessary could
lead to poor driveability, reduced fuel economy, and possible damage to the
emission control system.
Security indicator light
The light blinks when the ignition switch is in
the ACC, OFF and LOCK position. This
function indicates the security system
equipped on the vehicle is operational.
If the security system is malfunctioning, this
light will remain on while the ignition switch
is in the ON position. For additional informa-
tion, see “Security systems” (P.2-31).
SNOW mode indicator light
When selecting SNOW mode while the
engine is running, this light will illuminate.
(See “SNOW mode” (P.5-130).)
TOW mode indicator light
This light will illuminate when the TOW
mode is selected while the engine is running.
(See “TOW mode” (P.5-130).)
Turn signal/hazard indicator
lights
The light flashes when the turn signal switch
lever or hazard switch is turned on.