2008 Lexus GS350 key battery

528
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
To change the “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding , release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed. (
P. 122)
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzz er sounds, keeping the brake
pedal depressed.
If the “ENGINE START STOP” switch still cannot be operated, contact
your Lexus dealer.
■Stopping the engine
Shift the shift lever to “P” and press th e “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is the temporary measure, it is recommended that the
electronic key battery be replaced i mmediately when the battery depletes.
(  P. 440)
STEP3

5
When trouble arises
529
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
If the 12 volt battery is discharged
The following procedures may be used to start the engine if the 12 volt bat-
tery 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 following the steps
below.
Open the door using the mechani cal key, then open the hood.
GS350: Remove the engine compartment covers.
Connecting the jumper cables.
GS460
STEP1
STEP2

585
Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
BrakeFluid ............................................................ 416
Parking brake ..........................................131
Brake assist ............................................... 184
Care Exterior ...................................................388
Interior....................................................... 391
Seat belts ............................................... 392
Cargo capacity ....................................... 194
Cargo hooks .......................................... 360
CD player/changer .............................242
Chains....................................................... 200
Child-protectors ..................................... 38
Child restraint system Definition................................................... 98
Installation................................................ 102
Installing CRS with lower 
anchors .................................................106
Installing CRS with seatbelts .........103
Installing CRS with top straps ....... 107
Child safety Airbag precautions ............................. 87
Battery precautions ................ 419, 532
Child restraint system ........................ 98
Child-protectors................................... 38
How your child should wear 
the seatbelt ........................................... 56
Installing child restraints ................... 102
Moon roof precautions ..................... 69
Power window lock switch ..............64
Power window precautions.............64
Removed electronic key battery 
precautions ......................................... 441
Seat belt comfort guide..................... 54
Seat belt precautions...........................57 Seat heater precautions................ 355
Trunk precautions................................. 44
Cigarette lighter....................................352
Cleaning Exterior................................................... 388
Interior ...................................................... 391
Seat belts ................................................392
Clock ......................................................... 349
Coin holder .............................................345
Compass ..................................................369
Condenser ............................................... 415
Console box ........................................... 342
Cooling system Engine overheating.......................... 533
Cruise control Cruise control....................................... 150
Dynamic radar cruise control....... 153
Cup holders ............................................345
Curtain shield airbags........................... 80
Customizable features .......................569
Daytime running light system ........... 143
Defogger Rear window ........................................ 225
Side mirror............................................. 225
Dimension................................................540
Dinghy towing ........................................205
Display Multi-information display ................ 139
Touch screen ...................................... 208
Trip information ................................... 140
Warning message ............................. 497
Do-it-yourself maintenance ............ 400
Door courtesy lights ............................ 337
Door pocket............................................ 346
C
D

586
Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
DoorsDoor lock................................. 22, 34, 37
Rear door child protector ................ 38
Driver’s seat belt reminder light .....490
Driver’s seat position memory ........... 47
Driving Correct posture .................................... 78
Procedures ...............................................112
DVD player/changer........................... 251
Electric power steering ....................... 184
Electronic key If the electronic key does 
not operate properly .................... 526
Replacing battery .............................. 440
Emergency, in case of If a warning light turns on ............. 488
If a warning message is 
displayed ............................................ 497
If the electronic key does 
not operate properly .................... 526
If the engine will not 
start........................................................ 523
If the shift lever cannot be  shifted from “P”................................ 524
If the 12 volt battery is 
discharged ....................................... 529
If you have a flat tire ............... 512, 522
If you lose your keys......................... 525
If you think something is 
wrong ................................................... 484
If your vehicle becomes stuck.....536
If your vehicle needs to be 
towed ................................................... 478
If your vehicle overheats ................ 533 Engine
ACCESSORY mode........................122
Compartment ..................................... 406
Engine (ignition) switch...................... 121
Hood ....................................................... 403
How to start the engine ..................... 121
If the engine will not start ............... 523
Overheating ........................................ 533
Engine compartment cover .............408
Engine coolant temperature 
gauge .......................................................132
Engine coolant Capacity ................................................ 546
Checking................................................. 414
Preparing and checking 
before winter...................................... 199
Engine oil Capacity ................................................ 544
Checking............................................... 409
Preparing and checking 
before winter...................................... 199
Engine oil maintenance data .............412
Engine (ignition) switch......................... 121
Event data recorder ............................ 486
First-aid kit storage belt ..................... 360
Floor mats ................................................ 359
Fluid Brake ......................................................... 416
Washer................................................... 420
Fog lights Switch ........................................................ 145
Wattage ................................................. 552
Foot light .................................................. 337
E
F

589
Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
Parking brake ........................................... 131
Parking lightsReplacing light bulbs ....................... 470
Switch ........................................................ 142
Wattage ................................................. 552
Personal lights ....................................... 339
Power outlet ........................................... 353
Power windows.........................................64
Pre-collision system ..............................190
Radar cruise control ............................. 153
Radiator...................................................... 415
Radio ..........................................................229
Radio data system.................................. 231
Rear sunshade........................................357
Rear turn signal lights Replacing light bulbs ....................... 470
Wattage ................................................. 552
Rear view monitor system .................. 179
Rear window defogger .......................225
Replacing Electronic key battery ..................... 440
Fuses .........................................................442
Light bulbs ............................................ 470
Reporting safety defects for 
U.S. owners ......................................... 578
Seat belts Adjusting the seat belt ....................... 53
Automatic locking retractor............ 55
Child restraint system 
installation ............................................ 102
Cleaning and maintaining 
the seat belts..................................... 392
Emergency locking retractor ......... 55
How to wear your seat belt............. 53 How your child should wear

the seat belt ..........................................56
Pre-collision seat belts .......................55
Pregnant women, 
proper seat belt use .........................55
Reminder light .................................... 490
Seat belt extenders ..............................56
Seat belt pretensioners ...................... 54
Seat heaters/ventilators.....................355
Seating capacity ..................................... 198
Seats Adjustment ............................................... 45
Adjustment precautions .................... 46
Child seats/child restraint 
system installation............................ 102
Cleaning .................................................. 391
Driver’s seat position memory ....... 47
Head restraint ...........................................51
Properly sitting in the seat ................ 78
Seat heaters ..........................................354
Service reminder indicators ............. 136
Shift lever Automatic transmission ................... 125
If the shift lever cannot be 
shifted from “P” ................................524
Shift lock system .................................... 524
Shopping bag hooks............................360
Side airbags............................................... 80
Side marker lights Switch.........................................................142
Side mirror Adjusting and folding.......................... 62
Mirror position memory .................... 47P
R
S

592
Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
WasherChecking ............................................... 420
Preparing and checking before winter ......................................199
Switch ........................................................146
Washing and waxing .......................... 388
Weight Cargo capacity.....................................194
Load limits .............................................. 198
Weight ....................................................540
Wheels ......................................................435
Window glasses ...................................... 37
Window lock switch ............................... 37
Windows Power windows..................................... 64
Rear window defogger .................. 225
Washer .....................................................146
Windshield wipers Position .....................................................201
Windshield wipers ..............................146
Winter driving tips ................................. 199
Wireless remote control key Locking/Unlocking ............................. 34
Replacing the battery ...................... 440
WMA disc ............................................... 247

594
GS_G_U
May 13, 2008 5:14 pm
What to do if...
What to do if...
A tire puncturesP. 5 1 2 /522If you have a flat tire
The engine does not start
P. 7 3Immobilizer system
P. 5 2 3If the engine will not start
P. 5 2 9If the 12 volt battery is discharged
The shift lever cannot be 
moved outP. 5 2 4If 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. 5 3 3If your vehicle overheats
The key is lostP. 5 2 5If you lose your keys
The battery runs outP. 5 2 9If the 12 volt battery is discharged
The doors cannot be lockedP. 3 7Doors
The horn begins to soundP. 7 5Alarm
The vehicle is stuck in mud or
sandP. 5 3 6If the vehicle becomes stuck