battery light Lexus GX470 2008 Do-it-yourself maintenance / LEXUS 2008 GX470 (OM60D82U) User Guide

402
5-2. Steps to take in an emergency
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (
P. 118), consider each of the following points.
■The engine will not start even when the starter motor operates
normally
One of the following may be the cause of the problem.
● There may not be sufficient fuel in the vehicle’s tank.
Add fuel to the vehicle.
● The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. ( P. 118)
● There may be a malfunction in the engine immobilizer system.
( P. 7 0 )
■ The starter motor turns over slowly, interior lights and headlights
are dim, or the horn does not sound or sounds at a low volume
One of the following may be the cause of the problem.
●The battery may be discharged. ( P. 405)
● The battery terminal connections may be loose or corroded.
■ The starter motor does not turn over, interior lights and headlights
do not turn on, or the horn does not sound
One of the following may be the cause of the problem.
●One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 405)
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.

5
When trouble arises
405
5-2. Steps to take in an emergency
If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicle’s
battery is discharged.
You can call your Lexus dealer, or qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle
with a 12 volt battery, you can jump start your Lexus by following the
steps below.
Open the hood.
Connecting the jumper cables. If required, remove all vent plugs from the booster battery. Lay a
cloth over the open vents on the booster battery. (This helps reduce
the chance of explosion, pe rsonal injuries and burns.)
Positive (+) battery terminal on your vehicle.
Positive (+) battery terminal on the second vehicle.
Negative (-) battery terminal on the second vehicle.
Negative (-) battery terminal on your vehicle.
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the 12 volt battery of your vehicle.
Maintain the engine sp eed of the second vehicle and start your
vehicle’s engine.
STEP1
STEP2
STEP3
STEP4

406
5-2. Steps to take in an emergency
■Starting the engine when the battery is discharged
The vehicle cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
■When the battery is removed or discharged
The power windows and moon roof must be initialized.
CAUTION
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emitted from the battery.
●Make sure the jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any pa rt other than the intended terminal.
●Do not allow the jumper cables to come into contact with the “+” and “-” termi-
nals.
●Do not allow open flame or use matches, cigarette lighters or smoke near the
battery.
Once your vehicle’s engine has started, remove the jumper
cables in the exact reverse ord er in which they were con-
nected.
Once the engine starts, have the ve hicle checked at your Lexus dealer
as soon as possible.STEP5

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

448
Alphabetical index
Alphabetical index
A/C ............................................................. 192
ABS.............................................................. 159
Active traction control......................... 159
Air conditioning systemAir conditioning filter ....................... 349
Automatic air conditioning system .................................................... 192
Airbags Airbag operating conditions...........80
Airbag precautions for your child.......................................................... 85
Airbag warning light ........................ 382
Curtain shield airbag precautions .......................................... 87
General airbag precautions ........... 84
Locations of airbags............................. 77
Modification and disposal of airbags ....................................................88
Side airbag precautions .................... 86
Side and curtain shield airbags operating conditions .......................80
SRS airbags .............................................. 77
Alarm ............................................................ 72
Antenna ........................................208, 303
Armrest ..................................................... 276
Ashtrays .................................................... 269
Audio system Antenna ..................................................208
CD player/changer .............................211
DVD information ............................... 240
DVD player ............................................ 231
DVD video/audio ............................. 236
MP3/WMA disc .................................218
Optimal use.......................................... 224
Radio ........................................................ 203
Rear sear entertainment system .................................................... 231 Steering switches .............................. 228
Video CD ..............................................243
Automatic light control system........ 135
Automatic transmission ........................ 121
Back door .....................................................31
Back-up lights Wattage ................................................. 420
Battery Battery .................................................... 333
Checking............................................... 333
If the vehicle battery is discharged ........................................ 405
Preparing and checking before winter...................................... 176
Brake Fluid .......................................................... 330
Parking brake........................................ 125
Brake Assist ............................................. 159
Care Exterior ................................................... 306
Interior.....................................................308
Seat belts ............................................... 309
Cargo capacity....................................... 168
Cargo hooks .......................................... 278
CD player ................................................... 211
Center differential lock ........................ 147
Chains ......................................................... 177
Child-protectors...................................... 28
Child restraint system Definition .................................................. 95
Installation ................................................ 98
Installing CRS with lower anchorages ......................................... 102
Installing CRS with seatbelts ...........99A
B
C

449
Alphabetical index
Installing CRS with top straps .......104
Child safety Airbag precautions ............................. 85
Child restraint system ........................ 95
Child-protectors................................... 28
How your child should wear the seatbelt ........................................... 53
Installing child restraints .................... 98
Moon roof .................................................64
Power window lock switch ............... 61
Power window precautions............ 63
Removed battery precautions ....................................... 352
Seat belt precautions.......................... 54
Seat heater precautions ..................274
Cigarette lighter ..................................... 271
Cleaning Exterior ................................................... 306
Interior.....................................................308
Seat belts ............................................... 309
Clock..........................................................266
Compass ................................................. 286
Condenser.............................................. 329
Cooling system Engine overheating ..........................408
Cruise control ......................................... 142
Cup holders.............................................262
Curtain shield airbags ............................ 77
Customizable features ...................... 436 Daytime running light system ........... 136
Defogger
Rear window ......................................... 199
Side mirror.............................................. 199
Dimension................................................. 412
Dinghy towing ......................................... 190
Display Trip information ....................................132
Do-it-yourself maintenance ...............317
Door courtesy lights ............................ 256
Door pocket............................................ 263
Doors Door lock ......................................... 24, 26
Rear door child protector ................ 28
Downhill assist control system ......... 157
Driver’s seat belt reminder light .... 385
Driving Correct posture..................................... 75
Procedures .............................................. 118
DVD player .............................................. 231
Electronic modulated suspension ............................................. 156
Emergency, in case of If a warning light turns on................ 381
If the engine will not start ........................................................402
If the shift lever cannot be shifted from P .................................. 403D
E

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