2008 Lexus GX470 key battery

352
4-3. Do-it-yourself maintenance
■If the battery is discharged
The following symptoms may occur.
●The wireless remote control will not function properly.
●The operational range is reduced.
■Use a CR1616 lithium battery
●Batteries can be purchased at your Lexus dealer, jewelers, or camera stores.
●Replace only with the same or equivalent type recommended by a Lexus dealer.
●Dispose of used batteries according to the local laws.
CAUTION
■Removed battery and other parts
Keep away from children.
These parts are small and if swallowed by a child they can cause choking.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents.
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other components inside the electronic key.
●Do not bend the battery terminals.

When trouble arises5
371
5-1. Essential information .... 372If your vehicle needs to be towed ...................................... 372
If you think something is wrong ....................................... 377
Fuel pump shut off system ... 378
Event data recorder.............. 379
5-2. Steps to take in an emergency .................... 381
If a warning light turns on or a warning buzzer sounds... ... 381
If you have a flat tire................ 391
If the engine will not start .... 402
If the shift lever cannot be shifted from P ....................... 403
If you lose your keys .............. 404
If the vehicle battery is discharged ............................ 405
If your vehicle overheats ..... 408
If the vehicle becomes stuck......................................... 410

417
6-1. Specifications
6
Vehicle specifications
Electrical system
Differential
“Toyota Genuine Differential Gear Oil” is filled in your Lexus vehicle at fac-
tory fill. Use Lexus approved “Toyota Genuine Differential Gear Oil” or an
equivalent of matching quality to sati sfy the above specification. Please con-
tact your Lexus dealer for further details.
Tr a n s f e r
Battery
Open voltage at
68 F (20 C):12.6  12.8V Fully charged
12.2  12.4V Half charged
11.8  12.0V Discharged
(Voltage is checked 20 minutes after
the key is removed with all the lights
turned off.)
Charging rates5A max.
Oil capacity
Front
Rear1.5 qt. (1.4 L, 1.2 Imp.qt.)
3.3 qt. (3.1 L, 2.7 Imp.qt.)
Oil type and viscosity
Toyota Genuine Differential
Gear Oil LT 75W-85 GL5 or equiva-
lent
Oil capacity1.5 qt. (1.4 L, 1.2 Imp.qt.)
Oil typeHypoid gear oil API GL-5
Recommended oil viscositySAE 75W-90

450
Alphabetical index
If the vehicle battery is discharged .......................................405
If you have a flat tire ...........................391
If you lose your keys.........................404
If you think something is wrong ....................................................377
If your vehicle becomes stuck...... 410
If your vehicle needs to be towed ................................................... 372
If your vehicle overheats ............... 408
Engine Compartment ....................................... 321
Engine switch.......................................... 118
Hood........................................................ 320
How to start the engine..................... 118
If the engine will not start........................................................ 402
Overheating........................................ 408
Engine compartment cover ............. 322
Engine coolant temperature gauge....................................................... 126
Engine coolant Capacity ...................................................416
Checking ............................................... 328
Preparing and checking before winter ...................................... 176
Engine immobilizer system.................. 70
Engine oil Capacity ...................................................415
Checking ............................................... 323
Preparing and checking before winter ...................................... 176
Engine oil maintenance data............ 326
Event data recorder ............................ 379 First-aid kit storage belt ..................... 279
Flat key ......................................................... 22
Floor mats .................................................277
Fluid
Brake ....................................................... 330
Power steering ..................................... 331
Washer................................................... 335
Fog lights Switch ........................................................ 137
Wattage ................................................. 420
Foot light .................................................. 256
Front passenger’s seat belt
reminder light .....................................385
Front passenger occupant classification system ............................ 90
Front seats Adjustment ............................................... 34
Driving position memory ..................45
Front turn signal lights Wattage ................................................. 420
Fuel Capacity .................................................. 414
Fuel gauge .............................................. 126
Gas station information ................. 460
Information ............................................. 421
Refueling .................................................... 67
Fuel door ......................................................67
Fuel filler door ............................................67
Fuses .......................................................... 355F

455
Alphabetical index
Warning buzzersSeat belt reminder ............................385
Warning lights “AIR BAG ON/OFF” indicators..............................................130
Anti-lock brake system (ABS) ... 383
Brake system .........................................381
Charging system ............................... 382
Downhill assist control indicator................................................130
Engine oil replacement reminder light................................... 384
Height control indicator...................130
Low engine oil pressure ................ 382
Low fuel level....................................... 384
Low washer fluid................................ 384
Malfunction indicator lamp .......... 382
Open door ........................................... 384
Seat belt reminder light ..................385
SRS airbags .......................................... 382
Tire pressure warning light...........385
Unengaged “P” .................................. 383
“VSC TRAC” ...................................... 383
Warning reflector holder...................279
Washer Checking ............................................... 335
Preparing and checking before winter ...................................... 176
Switch ........................................................138
Washing and waxing .......................... 306
Weight Cargo capacity ....................................168
Load limits ............................................... 174
Weight ...................................................... 412 Wheels ...................................................... 347
Window glasses ........................................61
Window lock switch .................................61
Windows
Power windows .......................................61
Rear window defogger.................... 199
Washer .................................................... 138
Windshield wipers................................. 138
Winter driving tips ..................................176
Wireless remote control key Locking/Unlocking ............................. 24
Replacing the battery........................ 351
WMA disc ................................................ 218W

456
What to do if...
What to do if...
A tire puncturesP. 3 9 1If you have a flat tire
The engine does not start
P. 7 0Engine immobilizer system
P. 4 0 2If the engine will not start
P. 4 0 5If the battery is discharged
The shift lever cannot be
moved outP. 4 0 3If the shift lever cannot be shifted
from “P”
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 4 0 8If your vehicle overheats
The key is lostP. 4 0 4If you lose your keys
The battery is dischargedP. 4 0 5If the vehicle has a discharged battery
The doors cannot be lockedP. 2 6Doors
The horn begins to soundP. 7 2Alarm
The vehicle is stuck in mud or
sandP. 4 1 0If the vehicle becomes stuck