2018 INFINITI Q70-HYBRID key battery

CAUTION
Be careful not to allow children to
swallow the battery and removed parts.
SDI2451
To replace the battery:
1. Release the lock knob at the back of theIntelligent Key and remove the mechan-
ical key.
2. Insert a flat-blade screwdriver wrapped with a cloth into the slit of the corner and
twist it to separate the upper part from the lower part.
3. Replace the battery with a new one. Recommended battery:
CR2025 or equivalent
.Do not touch the internal circuit andelectric terminals as it could cause a
malfunction.
.Hold the battery by the edges. Hold-
ing the battery across the contact
points will seriously deplete the sto-
rage capacity.
.Make sure that the + side faces thebottom of the case.
Do-it-yourself8-21
INTELLIGENT KEY BATTERY
REPLACEMENT

9-10Maintenance and schedules
CHASSIS AND BODY MAINTENANCE
Abbreviations: I = Inspect and correct or replace as necessary, R = Replace
MAINTENANCE OP-
ERATION
Perform at of miles,
kilometers or months,
whichever comes first.Miles × 1,000
(km × 1,000) Months MAINTENANCE INTERVAL
5
(8) 6 10
(16) 12 15
(24) 18 20
(32) 24 25
(40) 30 30
(48) 36 35
(56) 42 40
(64) 48 45
(72) 54 50
(80) 60 55
(88) 66 60
(96) 72
Brake lines and cables II I I I I
Brake pads and rotors$ II I I I I
Brake fluid$ RR R
Automatic transmission
fluid See NOTE (1)
Differential gear oil See NOTE (2) II I I I I
Steering gear and link-
age, axle and suspension
parts$ II I
Tire rotation See NOTE (3)
Drive shaft boots $ II I I I I
Exhaust system$ II I
In-cabin microfilter RR R R
Intelligent Key battery RR R R

MAINTENANCE OP-
ERATION
Perform at of miles, kilo-
meters or months,
whichever comes first.Miles × 1,000
(km × 1,000) Months MAINTENANCE INTERVAL
65
(104) 78 70
(112) 84 75
(120) 90 80
(128) 96 85
(136) 102 90
(144) 108 95
(152) 114 100
(160) 120 105
(168) 126 110
(176) 132 115
(184) 138 120
(192) 144
Brake lines & cables II II I I
Brake pads & rotors$ II II I I
Brake fluid$ RR R
Automatic transmission
fluid See NOTE (1)
Differential gear oil See NOTE (2) II II I I
Steering gear & linkage,
axle & suspension parts$ II I
Tire rotation See NOTE (3)
Drive shaft boots $ II II I I
Exhaust system$ II I
In-cabin microfilter RRR R
Intelligent Key battery RRR R
NOTE:
Maintenance items with “$ ” should be
performed more frequently according to
“Maintenance under severe driving condi-
tions” (P.9-12).
(1) Periodic maintenance is not required.
(2) If using a car-top carrier, or driving on
rough or muddy roads, change (not just
inspect) oil at every 20,000 miles (32,000
km) or 24 months. (3) Refer to “Tire rotation” under “General
maintenance” (P.9-2).
Maintenance and schedules9-11

11 Index
Number
12-volt battery charge warning light ............. 2-11
A
ABS (Anti-lock Braking System) ................... 5-121
Accelerator downshift - In D (Drive)
position - ................................................................ 5-16
Active noise cancellation ................................. 5-127
Active trace control .......................................... 5-123
Adaptive Front lighting System (AFS) .......... 2-40
Advanced air bag system .................................. 1-43
Aiming control, Adaptive Front lighting
System (AFS) ........................................................ 2-40
Air bag systemAdvanced air bag system ............................ 1-43
Front passenger air bag and
status light ....................................................... 1-45
Front-seat mounted side-impact
supplemental air bag system ..................... 1-48
Roof-mounted curtain side-impact and
rollover supplemental air bag system ...... 1-48
Air bag warning labels ....................................... 1-50
Air bag warning light ............................... 1-51, 2-17
Air cleaner housing filter ................................... 8-16
Air conditioner Air conditioner service ................................. 4-37
Air conditioner specification label ......... 10-10
Air conditioning system refrigerant and
lubricant recommendations ............ 4-37, 10-6 Heater and air conditioner .......................... 4-32
In-cabin microfilter ........................................ 4-37
Operation (See heater and
air conditioner) ............................................... 4-32
Air filter
In-cabin microfilter ........................................ 4-37
Air vent ...................................................................... 7-5
Alarm
How to stop alarm (see vehicle
security system) ............................................. 2-34
Alcohol, drugs and driving ................................... 5-9
Antenna .................................................................. 4-38
Anti-lock Braking System (ABS) ................... 5-121
Anti-lock braking system (ABS)
warning light .......................................................... 2-11
Appearance care Exterior appearance care ............................... 7-2
Interior appearance care ............................... 7-4
Approaching Vehicle Sound for
Pedestrians (VSP) system .......... Hybrid System-8
Armrest ...................................................................... 1-4
Around View
®Monitor ...................................... 4-10
Ashtrays ................................................................. 2-49
Assist charge gauge ............ Hybrid System-6, 2-8
Audible reminders ................................................ 2-20
Auto closure .......................................................... 3-20
Autolight system .................................................. 2-38
Automatic
Automatic climate control ......................... 4-34
Automatic Transmission Fluid (ATF) ....... 8-11 Door locks .......................................................... 3-6
Drive positioner .............................................. 3-28
Driving with automatic transmission ....... 5-14
Seat positioner ............................................... 3-28
Average fuel consumption and speed ........... 2-30
Avoiding collision and rollover ............................ 5-7
B
Back-up Collision Intervention (BCI) .............. 5-53
Battery .................................................................... 8-13
Battery replacement, Intelligent Key ......... 3-2
Battery saver system .................................... 2-39
Intelligent Key ................................................. 8-21
Before starting the INFINITI Direct
Response Hybrid
®System ................................ 5-13
Blind Spot Intervention®(BSI) ........................ 5-40
Blind Spot Intervention®(BSI) ON
indicator light ........................................................ 2-18
Blind Spot Warning (BSW) ............................... 5-31
Blind Spot Warning (BSW)/Blind Spot
Intervention
®(BSI) system warning light ...... 2-11
Booster seats ........................................................ 1-34
Brake Anti-lock Braking System (ABS) ............. 5-121
Brake fluid ....................................................... 8-12
Brake force distribution ............................. 5-123
Brake system ............................................... 5-120
Brake system warning light (yellow) ........ 2-12
Brake warning light (red) ............................. 2-12

11-4
H
Hazard warning flasher switch ........................... 6-2
Head restraints/headrests .................................. 1-5
HeadlightsAiming control (See Adaptive Front
lighting System (AFS)) ................................ 2-40
Bulb replacement .......................................... 8-24
Headlight switch ............................................ 2-38
Heated seats ......................................................... 2-44
Heated steering wheel ....................................... 2-43
Heater Engine block heater .................................... 5-126
Heater and air conditioner .......................... 4-32
High temperature warning light ...................... 2-14
High voltage cautions ................. Hybrid System-2
High voltage components .......... Hybrid System-9
Hill start assist system ..................................... 5-124
HomeLink
®Universal Transceiver .................. 2-62
Hood release ......................................................... 3-17
Hook Coat hooks ...................................................... 2-53
Horn ........................................................................\
. 2-44
Hybrid EPS (Electrical Power Steering)
warning light ......................................................... 2-14
Hybrid system over heat warning .................. 2-24
Hybrid system start operation indicator ....... 2-23
Hybrid
vehicle characteristics .............. Hybrid System-10
Hybrid vehicle precautions ......... Hybrid System-9
I
If the vehicle does not start ................................ 6-9
Ignition switch (Push-button) ................................................... 5-9
Automatic transmission models ................ 5-14
Immobilizer system .............................................. 2-34
In-cabin microfilter .............................................. 4-37
Indicator Lights ................................................................ 2-18
Vehicle information display ........................ 2-21
Indicator lights ...................................................... 2-18
INFINITI Direct Response
Hybrid
®System ............................. Hybrid System-2
INFINITI Drive Mode Selector ......................... 5-19
Infiniti InTouch Owner’s Manual ...................... 4-2
INFINITI Vehicle Immobilizer System ............ 2-34
Engine start ..................................................... 2-34
Inside mirror .......................................................... 3-25
Inspection/maintenance (I/M) test .............. 10-19
Instrument brightness control ......................... 2-42
Instrument panel ..................................................... 2-5
Intelligent Cruise Control (ICC) ....................... 5-66
Intelligent Cruise Control (ICC) system MAIN
switch indicator .................................................... 2-26
Intelligent Cruise Control (ICC) system
warning light ......................................................... 2-15
Intelligent Key .......................................................... 3-2
Intelligent Key battery discharge .................... 5-12
Intelligent Key ignition indicator ..................... 2-24 Intelligent Key system ........................................... 3-7
Battery replacement ..................................... 8-21
Key operating range ....................................... 3-8
Key operation ................................................. 3-10
Warning signals .............................................. 3-12
Interior light control switch .............................. 2-61
Interior light replacement .................................. 8-24
Interior lights ......................................................... 2-60
Interior trunk lid release .................................... 3-21
Inverter cooling system ......................................... 8-7
ISOFIX child restraint .......................................... 1-21J
Jump starting ........................................................ 6-10
K
Keyless entry (See remote keyless
entry system) ........................................................ 3-14
Keys ........................................................................\
.... 3-2 For Intelligent Key system ............................. 3-7
L
LabelsAir bag warning labels ................................. 1-50
Air conditioner specification label ......... 10-10
Emission control information label ........ 10-10
Engine serial number .................................... 10-9
F.M.V.S.S./C.M.V.S.S.
certification label ........................................... 10-9

Tire and Loading
information label ............................. 8-28, 10-10
Vehicle identification number (VIN) ........ 10-8
Lane Departure Warning (LDW) indicator
light (green) ........................................................... 2-19
Lane Departure Warning (LDW) indicator
light (orange) ......................................................... 2-15
Lane Departure Warning (LDW)/Lane
Departure Prevention (LDP) system .............. 5-21
LATCH system ...................................................... 1-21
License plate
Installing front license plate ..................... 10-11
Light
Air bag warning light .................................... 1-51
Bulb replacement ........................................... 8-23
Fog light switch ............................................. 2-43
Headlight switch ............................................ 2-38
Headlights bulb replacement .................... 8-24
Indicator lights ................................................ 2-18
Interior light control switch ........................ 2-61
Interior lights .................................................. 2-60
Map lights ....................................................... 2-60
Personal lights ............................................... 2-60
Replacement ................................................... 8-23
Trunk light ....................................................... 2-62
Vanity mirror lights ....................................... 2-62
Warning/indicator lights and
audible reminders .......................................... 2-11
Lights Exterior and interior light replacement ... 8-24 Li-ion battery state of charge and
acceleration guide ............................................... 2-29
Linking Intelligent Key ........................................ 4-37
Lithium-ion (Li-ion) battery ....... Hybrid System-2
Loading information (See vehicle
loading information) ......................................... 10-12
Lock
Automatic door locks ..................................... 3-6
Door locks .......................................................... 3-4
Power door lock ............................................... 3-4
Trunk lid ........................................................... 3-18
Locking with mechanical key ............................. 3-4
Loose fuel cap warning ......................... 2-24, 3-23
Low outside temperature warning ................. 2-24
Low tire pressure warning light ...................... 2-15
Low tire pressure warning system (See Tire
Pressure Monitoring
System (TPMS)) ................................ 5-5, 6-3, 8-26
M
Maintenance
Battery .............................................................. 8-13
General maintenance ...................................... 9-2
HEV Li-ion battery
replacement record ....................................... 9-13
Indicators for maintenance (vehicle
information display) ...................................... 2-27
Inside the vehicle ............................................. 9-3
Maintenance log ............................................ 9-15
Maintenance precautions .............................. 8-2
Maintenance requirements ........................... 9-2 Maintenance schedules ................................. 9-6
Maintenance under severe
driving conditions .......................................... 9-12
Outside the vehicle ......................................... 9-2
Seat belt maintenance ................................. 1-16
Standard maintenance .................................... 9-7
Under the hood and vehicle ......................... 9-4
Malfunction indicator light (MIL) .................... 2-19
Manual shift mode .............................................. 5-15
Map lights .............................................................. 2-60
Master warning light .......................................... 2-16
Mechanical key (Intelligent Key system) .......... 3-3
Memory function ................................................. 3-29
Memory storage Automatic drive positioner ......................... 3-28
Meter
Trip computer ................................................. 2-28
Meters and gauges ................................................ 2-6 Instrument brightness control ................... 2-42
Mirror Inside mirror .................................................... 3-25
Outside mirrors .............................................. 3-26
Vanity mirror ................................................... 3-27
Monitor Around View
®Monitor ............................... 4-10
RearView Monitor ........................................... 4-3
Moonroof ............................................................... 2-56
Moving Object Detection (MOD) ................... 4-27
11-5