key battery INFINITI QX80 2021 Owner's Guide

112,500 Miles/90 Months/
180,000 Km
Standard maintenance:.Replace engine oil and filter.Replace Intelligent Key battery.Perform tire rotation
Severe maintenance:
Not Applicable. Proceed to next interval.
115,000 Miles/138 Months/
184,000 Km
Standard maintenance:
Not Applicable. Proceed to next interval.
Severe maintenance:
.Inspect brake pads and rotors.Inspect steering gear and linkage.Inspect axle and suspension parts.Inspect propeller shaft (4WD models).Inspect drive shaft boots (4WD models).Inspect exhaust system.Replace engine oil and filter
120,000 Miles/96 Months/
192,000 Km
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.Replace 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.Replace 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.
Maintenance and schedules9-19

11 Index
A
ABS (Anti-lock Braking System) ................... 5-124
Adaptive front lighting system (AFS) ............ 2-45
Advanced air bag system .................................. 1-58
Aiming controlAdaptive front lighting system (AFS) ...... 2-45
Headlights ....................................................... 2-44
Air bag system
Advanced air bag system ............................ 1-58
Front passenger air bag and
status light ....................................................... 1-60
Front-seat mounted side-impact
supplemental air bag system ..................... 1-65
Roof-mounted curtain side-impact and
rollover supplemental air bag system ...... 1-65
Air bag warning labels ....................................... 1-68
Air bag warning light .............................. 1-69, 2-14
Air cleaner housing filter ................................... 8-14
Air conditioner Air conditioner service ................................. 4-37
Air conditioner specification label ......... 10-13
Air conditioning system refrigerant
and oil recommendations ................ 4-37, 10-7
Automatic air conditioner ........................... 4-29
Automatic climate control ......................... 4-28
DUAL mode setting ...................................... 4-32
In-cabin microfilter ........................................ 4-36
Alarm, How to stop alarm (see vehicle
security system) ................................................... 2-35 Alcohol, drugs and driving ................................ 5-10
Antenna .................................................................. 4-37
Anti-lock Braking System (ABS) ................... 5-124
Anti-lock braking system (ABS)
warning light ......................................................... 2-15
Appearance care
Exterior appearance care ............................... 7-2
Interior appearance care ................................ 7-5
Armrest ................................................................... 1-10
Around View
®Monitor ........................................ 4-3
Audible reminders ................................................ 2-19
Auto closure .......................................................... 3-25
Autolight system .................................................. 2-40
Automatic
Automatic air conditioner ........................... 4-29
Automatic Transmission Fluid (ATF) ......... 8-8
Climate control .............................................. 4-28
Door locks .......................................................... 3-6
Drive positioner ............................................. 3-40
Driving with automatic transmission ....... 5-18
Seat positioner .............................................. 3-40
Average speed ...................................................... 2-31
Avoiding collision and rollover ........................... 5-8
B
Back door (See liftgate) ..................................... 3-22
Back-up Collision Intervention
(BCI) system .......................................................... 5-53 Battery .................................................................... 8-11
Battery saver system ........................ 2-44, 2-72
Intelligent Key ................................................. 8-21
Variable voltage control system ............... 8-13
Before starting the engine ................................ 5-15
Belts (See drive belts) ......................................... 8-13
Blind Spot Intervention
®(BSI) system .......... 5-41
Blind Spot Warning (BSW) system ................ 5-31
Booster seats ........................................................ 1-48
Brake
Anti-lock Braking System (ABS) ............ 5-124
Brake booster ................................................. 8-17
Brake fluid ......................................................... 8-9
Brake system ................................................ 5-123
Parking brake operation .............................. 5-22
Warning light .................................................. 2-12
Break-in schedule .............................................. 5-111
Brightness control Instrument panel ............................................ 2-46
Bulb check/instrument panel ........................... 2-12
Bulb replacement ................................................. 8-23
C
Cabin air filter ....................................................... 4-36
Camera aiding sonar function ......................... 4-17
Capacities and
recommended fluids/lubricants ....................... 10-2
Car phone or CB radio ....................................... 4-38
Cargo floor box .................................................... 2-66

11-4
INFINITI InTouch™ Owner’s Manual ............... 4-2
INFINITI Vehicle Immobilizer System ............ 2-35
Inside mirror .......................................................... 3-30
Inspection/maintenance (I/M) test ............. 10-34
Instrument brightness control ......................... 2-46
Instrument panel ..................................................... 2-5
Intelligent cruise control (ICC) system .......... 5-64
Intelligent Key .......................................................... 3-2
Intelligent Key system ........................................... 3-7Battery replacement ..................................... 8-21
Key operating range ....................................... 3-9
Key operation ................................................. 3-10
Warning signals .............................................. 3-12
Interior light replacement .................................. 8-24
Interior light switch ............................................. 2-73
Interior lights ......................................................... 2-72
ISOFIX child restraint ......................................... 1-33
J
Jump starting ......................................................... 6-11
K
Keyless entry (See remote keyless
entry system) ........................................................ 3-15
Keys ........................................................................\
.... 3-2 For Intelligent Key system ............................. 3-7
L
Labels
Air bag warning labels ................................. 1-68
Air conditioner specification label ......... 10-13
Emission control information label ........ 10-12
Engine serial number ................................. 10-12
F.M.V.S.S./C.M.V.S.S.
certification label ........................................ 10-12
Tire and Loading
information label ............................. 8-28, 10-13
Vehicle identification number (VIN) ....... 10-11
Lane Departure Warning (LDW)/
Lane Departure Prevention (LDP) ................ 5-22
LATCH system ..................................................... 1-33
License plate, Installing front
license plate ......................................................... 10-15
Liftgate ................................................................... 3-22
Light
Air bag warning light .................................... 1-69
Bulb replacement ........................................... 8-23
Cargo light ....................................................... 2-75
Fog light switch ............................................. 2-47
Headlight switch ........................................... 2-40
Headlights bulb replacement .................... 8-24
Interior light switch ....................................... 2-73
Interior lights ................................................... 2-72
Map lights ........................................................ 2-74
Replacement ................................................... 8-23
Vanity mirror lights ....................................... 2-74 Warning lights, indicator lights and
audible reminders .......................................... 2-11
Lights, Exterior and interior
light replacement ................................................. 8-24
Loading information (See vehicle
loading information) ......................................... 10-15
Lock
Automatic door locks ..................................... 3-6
Door locks .......................................................... 3-4
Liftgate lock .................................................... 3-22
Power door lock ............................................... 3-4
Locking with mechanical key ............................. 3-4
Loose Fuel Cap warning ................................... 3-26
Low tire pressure warning light ...................... 2-16
Low tire pressure warning system (See tire
pressure monitoring system (TPMS)) ............... 5-5
Luggage hooks ..................................................... 2-66
M
Maintenance Battery .............................................................. 8-11
General maintenance ...................................... 9-2
Inside the vehicle ............................................. 9-3
Maintenance precautions .............................. 8-2
Maintenance requirements ........................... 9-2
Maintenance schedules ................................. 9-6
Outside the vehicle ......................................... 9-2
Seat belt maintenance ................................. 1-28
Standard maintenance .................................... 9-7
Maintenance schedules ........................................ 9-6
Malfunction indicator light (MIL) ..................... 2-17