battery INFINITI QX80 2021 Owner's Manual

45,000 miles/(72,000 km)/
36 months
Standard maintenance:
• Inspect brake lines and cables
• Inspect brake pads and rotors
• Inspect propeller shaft (4WD models)
• Inspect differential gear oil
• Inspect transfer case oil (4WD models)
• Inspect drive shaft boots (4WD models)
• Replace engine oil and filter
• Replaced in-cabin microfilter
• Replace Intelligent Key battery
• Perform tire rotation
• Lubricate propeller shaft grease (4WD
models)
Severe maintenance:
Not Applicable. Proceed to next interval.
60,000 miles/(96,000 km)/
48 months
Standard maintenance:
• Inspect brake lines and cables
• Inspect brake pads and rotors
• Inspect engine drive belts
• Inspect fuel tank vapor vent system hoses
• Inspect fuel lines/connections
• Inspect exhaust system
• Inspect propeller shaft (4WD models)
• Inspect axle and suspension parts
• Inspect steering gear and linkage
• Inspect differential gear oil
• Inspect drive shaft boots (4WD models)
• Inspect transfer case oil (4WD models)
• Replace engine air filter (1)
• Replace brake fluid
• Replace engine oil and filter
• Replaced in-cabin microfilter
• Perform tire rotation
• Lubricate propeller shaft grease (4WD
models)Severe maintenance:
Not Applicable. Proceed to next interval.
(1) If operating mainly in dusty conditions,
more frequent maintenance may be required.

75,000 miles/(120,000 km)/
60 months
Standard maintenance:
• Inspect brake lines and cables
• Inspect brake pads and rotors
• Inspect engine drive belts
• Inspect propeller shaft (4WD models)
• Inspect differential gear oil
• Inspect drive shaft boots (4WD models)
• Inspect transfer case oil (4WD models)
• Replace engine oil and filter
• Replaced in-cabin microfilter
• Perform tire rotation
• Lubricate propeller shaft grease (4WD
models)
Severe maintenance:
Not Applicable. Proceed to next interval.
90,000 miles/(144,000 km)/
72 months
Standard maintenance:
• Inspect brake lines and cables
• Inspect brake pads and rotors
• Inspect engine drive belts
• Inspect fuel tank vapor vent system hoses
• Inspect fuel lines/connections
• Inspect exhaust system
• Inspect propeller shaft (4WD models)
• Inspect steering gear and linkage
• Inspect axle and suspension parts
• Inspect differential gear oil
• Inspect transfer case oil (4WD models)
• Inspect drive shaft boots (4WD models)
• Replace engine air filter (1)
• Replace brake fluid
• Replace engine oil and filter
• Replaced in-cabin microfilter
• Replace Intelligent Key battery
• Perform tire rotation
• Lubricate propeller shaft grease (4WD
models)Severe maintenance:
Not Applicable. Proceed to next interval.
(1) If operating mainly in dusty conditions,
more frequent maintenance may be required.

WAA0134X
VK56VD ENGINE
1. Window washer fluid reservoir(P.8-10)
2. Fuse/fusible link holder (P.8-18)
3. Engine oil dipstick (P.8-6)
4. Power steering fluid reservoir (P.8-8) 5. Engine oil filler cap (P.8-6)
6. Brake fluid reservoir (P.8-9)
7. Fuse/fusible link holder (P.8-18)
8. Battery (P.8-11)
9. Radiator filler cap (P.8-4)
10. Engine coolant reservoir (P.8-4)11. Drive belts (P.8-13)
12. Air cleaner (P.8-14)
Illustrated table of contents0-13
ENGINE COMPARTMENT

1-4Safety — seats, seat belts and supplemental restraint system
FRONT SEATS
Front power seat adjustment
Operating tips:
.The power seat motor has an auto-reset
overload protection circuit. If the motor
stops during operation, wait 30 seconds,
then reactivate the switch.
. Do not operate the power seat switch for
a long period of time when the engine is
off. This will discharge the battery.
See “Automatic drive positioner” (P.3-40)
for the seat position memory function.
CAUTION
When adjusting the seat positions, be
sure not to contact any moving parts to
avoid possible injuries and/or damages.
SSS1051
Forward and backward:
Moving the switch
forward or backward
will slide the seat forward or backward to
the desired position.
Reclining:
Move the recline switch
backward until
the desired angle is obtained. To bring the
seatback forward again, move the switch
forward.
The reclining feature allows adjustment of
the seatback for occupants of different sizes
for added comfort and to help obtain proper
seat belt fit. (See “Precautions on seat belt
usage” (P.1-18).) Also, the seatback can be
reclined to allow occupants to rest when the vehicle is stopped and the transmission is in
the P (Park) position.

be against your body. In an accident,
you could be thrown into it and
receive neck or other serious injuries.
You could also slide under the lap belt
and receive serious internal injuries.
. For the most effective protection
when the vehicle is in motion, the
seat should be upright. Always sit
well back and upright in the seat with
both feet on the floor and adjust the
seat belt properly. See “Precautions
on seat belt usage” (P.1-18).
SSS1118
Power folding
Push and hold the front side of the switchlocated on the passenger side of the cargo
room. The corresponding seatback (R: right
side, L: left side) will be folded down
automatically. Push and hold the rear side of the switch
.
The seatback will be returned automatically.
The seatback will rise up while holding the
switch.
NOTE:
Operating the power folding seats can
discharge the vehicle battery if the vehicle
is not running.
CAUTION
When operating the rear power seat-
back return, make sure that the vehicle is
stopped and the transmission is in the P
(Park) position.
WARNING
. Never allow anyone to ride in the
cargo area or on the rear seat when it
is in the fold-down position. Use of
these areas by passengers without
proper restraints could result in ser-
ious injury in an accident or sudden
stop.
. When returning the seatbacks to the
upright position, be certain they are
completely secured in the latched
position. If they are not completely
Safety — seats, seat belts and supplemental restraint system1-9

How to temporarily disable the rear door
alert system ................................................................ 2-55
Power outlet .................................................................... 2-56 USB (Universal Serial Bus)
charging connector ................................................... 2-58
E-Call (SOS) Button (if so equipped) ........................ 2-59 Emergency support ................................................... 2-59
Storage ........................................................................\
..... 2-60
Cup holders ................................................................ 2-60
Sunglasses holder ...................................................... 2-62
Glove box ..................................................................... 2-63
Console box ................................................................ 2-63
Tray ........................................................................\
....... 2-65
Coat hooks .................................................................. 2-65
Luggage hooks .......................................................... 2-66
Cargo floor box .......................................................... 2-66
Roof rack ..................................................................... 2-67
Windows ........................................................................\
... 2-68
Power windows ......................................................... 2-68
Moonroof ........................................................................\
.. 2-70 Power moonroof ....................................................... 2-70
Welcome light .................................................................. 2-72 Battery saver system .............................................. 2-72
Interior lights .................................................................... 2-72
Interior light switch .................................................. 2-73
Console light ............................................................... 2-73
Map lights ................................................................... 2-74
Rear personal lights .................................................. 2-74 Vanity mirror lights ........................................................ 2-74
Cargo light ....................................................................... 2-75
HomeLink
®Universal Transceiver (Type A)
(if so equipped) ............................................................... 2-75
Programming HomeLink
®..................................... 2-76
Programming HomeLink®for Canadian
customers and gate openers ............................... 2-77
Operating the HomeLink
®
Universal Transceiver ............................................. 2-77
Programming troubleshooting ............................ 2-78
Clearing the programmed information ............. 2-78
Reprogramming a single
HomeLink
®button .................................................. 2-78
If your vehicle is stolen .......................................... 2-78
HomeLink
®Universal Transceiver (Type B) (if
so equipped) .................................................................... 2-79
Programming HomeLink
®.................................... 2-80
Using the garage door
two-way communication ...................................... 2-82
Programming HomeLink
®for Canadian
customers and gate openers ............................... 2-83
Operating the HomeLink
®
Universal Transceiver ............................................. 2-83
Programming troubleshooting ............................ 2-83
Clearing the programmed information ............ 2-84
Reprogramming a single
HomeLink
®button ................................................. 2-84
If your vehicle is stolen ......................................... 2-84

2-10Instruments and controls
to check the oil level. (See “Engine oil”
(P.8-6).)
. If the gauge does not move with the
proper amount of engine oil, have the
vehicle checked. It is recommended
you visit an INFINITI retailer for this
service. Continued vehicle operation
in such a condition could cause ser-
ious damage to the engine.
WAC0220X
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 gauge 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.

2-24Instruments and controls
OPERATIONAL INDICATORS
1. No Key Detected
This warning appears when the Intelligent
Key is left outside the vehicle with the
ignition switch in the ON position. Make
sure the Intelligent Key is inside the vehicle.
See “Intelligent Key system” (P.3-7) for more
details.
2. Key ID Incorrect
This warning appears when the ignition
switch is pushed from the OFF position
and the Intelligent Key is not recognized by
the system. You cannot start the engine with
an unregistered key.
See “Intelligent Key system” (P.3-7).
3. Key Battery Low
This indicator appears when the Intelligent
Key battery is running out of power.
If this indicator appears, replace the battery
with a new one. (See “Intelligent Key battery
replacement” (P.8-21).)
4. Key System Error: See Owner’s
Manual
This warning appears if there is a malfunc-
tion in the Intelligent Key system. If this
warning appears while the engine isstopped, it may be impossible to start the
engine.
If this warning appears while the engine is
running, you can drive the vehicle. However
in these cases, have the system checked. It is
recommended you visit an INFINITI retailer
for this service.
5. Key Registration Complete
This indicator appears when a new Intelli-
gent Key is registered to the vehicle.
6. Push brake and start switch to
drive
This indicator appears when the shift lever is
in the P (Park) position.
This indicator also appears when the vehicle
has been started using the Remote Engine
Start function (if so equipped).
This indicator means that the engine will
start by pushing the ignition switch with the
brake pedal depressed. You can start the
engine from any position of the ignition
switch.
7. Push Ignition to OFF
After the Shift to Park warning illuminates,
the warning will illuminate if the ignition
switch is placed in the ACC position when
the shift lever moves into the P (Park)
position.To turn off the warning, place the ignition
switch in the ON position and then in the
LOCK position.
8. Shift to Park
This warning appears when the ignition
switch is pushed to stop the engine with
the shift lever in any position except the P
(Park) position.
If this warning appears, move the shift lever
to the P (Park) position or push the ignition
switch to the ON position.
An inside warning chime will also sound. (See
“Intelligent Key system” (P.3-7).)
9. Engine start operation for Intel-
ligent Key system indicator (if I-Key
battery level is low)
This indicator appears when the Intelligent
Key battery is running out of power and
when the Intelligent Key system and vehicle
are not communicating normally.
If this indicator appears, touch the ignition
switch with the Intelligent Key while depres-
sing the brake pedal. (See “Intelligent Key
battery discharge” (P.5-14).)
10. Release Parking Brake
This warning appears when the vehicle
speed is above 4 MPH (7 km/h) and the

parking brake is applied. Stop the vehicle and
release the parking brake.
11. Low Fuel
This warning appears when the fuel level in
the tank is getting low. Refuel as soon as it is
convenient, preferably before the fuel gauge
reaches the 0 (Empty) position.
There is a small reserve of fuel remaining in
the tank when the fuel gauge reaches the 0
(Empty) position.
12. Low Washer Fluid
This warning appears when the washer tank
fluid is at a low level. Add washer fluid as
necessary. (See “Window washer fluid” (P.8-
10).)
13. Loose Fuel Cap
This warning appears when the fuel-filler
cap is not tightened correctly after the
vehicle has been refueled. (See “Fuel-filler
cap” (P.3-27).)
14. Tire Pressure Low Add Air
This warning appears when the low tire
pressure warning light in the meter illumi-
nates and low tire pressure is detected. The
warning appears each time the ignition
switch is placed in the ON position as long
as the low tire pressure warning lightremains illuminated. If this warning appears,
stop the vehicle and adjust the tire pressure
to the recommended COLD tire pressure
shown on the Tire and Loading Information
label. (See “Low tire pressure warning light”
(P.2-16) and “Tire Pressure Monitoring
System (TPMS)” (P.5-5).)
15. SNOW mode indicator
This indicator appears when SNOW mode is
selected by the SNOW mode switch. (See
“SNOW mode” (P.5-122).)
16. Four-Wheel Drive (4WD) shift
indicator (4WD models)
This indicator shows the Four-Wheel Drive
(4WD) driving mode (AUTO, 4HI or 4LO)
that is selected by the 4WD shift switch.
(See “INFINITI all-mode 4WD
®” (P.5-113).)
17. Door/liftgate open warning
(ignition switch is in the ON posi-
tion)
This warning appears if any of the doors
and/or the liftgate are open or not closed
securely. The vehicle icon indicates which
door or the liftgate is open on the display.
18. Power will turn off to save the
battery
This warning appears after a period of time
if the ignition switch is in ACC or ON
position.
19. Power turned off to save the
battery
This warning appears after the ignition
switch is automatically turned OFF to save
the battery.
20. Light reminder warning
This warning appears when the driver side
door is opened with the headlight switch is
left ON and the ignition switch is placed in
the OFF or LOCK position. Place the head-
light switch in OFF or AUTO position. For
additional information, see “Headlight and
turn signal switch” (P.2-40).
21. Vehicle ahead detection indica-
tor
This indicator shows the status of the
following systems, if the vehicle is equipped
with them.
.
Forward Emergency Braking (FEB) with
pedestrian detection system
. Predictive Forward Collision Warning
(PFCW)
Instruments and controls2-25

2-26Instruments and controls
.Distance Control Assist (DCA)
For more details, see “Forward Emergency
Braking (FEB) with pedestrian detection”
(P.5-95), “Predictive Forward Collision
Warning (PFCW)” (P.5-103) or “Distance
Control Assist (DCA)” (P.5-84).
The figure and color of these indicators will
change depending on the conditions of the
above systems.
22. LDW indicator
This indicator shows the status of the
following systems, if the vehicle is equipped
with them.
. Lane Departure Warning (LDW)
. Lane Departure Prevention (LDP)
For more details, see “Lane Departure
Warning (LDW)/Lane Departure Prevention
(LDP)” (P.5-22).
The figure and color of these indicators will
change depending on the conditions of the
above systems.
23. BSW indicator
This indicator shows the status of the
following systems, if the vehicle is equipped
with them.
. Blind Spot Warning (BSW)
. Blind Spot Intervention
®(BSI)
For more details, see “Blind Spot Warning (BSW)” (P.5-31) or “Blind Spot Intervention
®
(BSI)” (P.5-41).
The figure and color of these indicators will
change depending on the conditions of the
above systems.
24. Malfunction
This warning appears when one or more of
the following systems (if so equipped) is not
functioning properly:
.
Forward Emergency Braking (FEB) with
pedestrian detection system
. Predictive Forward Collision Warning
(PFCW)
. Lane Departure Warning (LDW)
. Lane Departure Prevention (LDP)
. Blind Spot Warning (BSW)
. Blind Spot Intervention
®(BSI)
. Back-up Collision Intervention (BCI)
. Distance Control Assist (DCA)
If one or more of these warning appears,
have the system checked. It is recommended
you visit an INFINITI retailer for this service.
25. Wiper Mode Guidance
This indicator shows the wiper and washer
switch position.
The selected position is illuminated in orange
when the wiper switch position is changed.
26. Lights Mode Guidance
This indicator shows the headlight switch
position.
The selected position is illuminated in orange
when the headlight switch position is chan-
ged.
27. Intelligent Cruise Control (ICC)
indicators (if so equipped)
These indicators show the Intelligent Cruise
Control (ICC) system status. For additional
information, refer to “Intelligent Cruise Con-
trol (ICC)” (P.5-64).
28. Stop vehicle and Apply parking
brake (if so equipped)
This warning may appear when the battery
charge is low.
Park the vehicle as soon as possible. It is
recommended that you visit an INFINITI
retailer.
29. Cruise indicator
Models without Intelligent Cruise Control
(ICC) system:
This indicator shows the cruise control
system status. The status is shown by the
color.
See “Cruise control” (P.5-62) for details.