cooling Lexus GS350 2008 Using the audio system / LEXUS 2008 GS460/350 (OM30A87U) User Guide

5
When trouble arises
533
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the air conditioning
system.
Check to see if steam is coming out from under the hood.
If you see steam: 
Stop the engine and car efully lift the hood.
If you do not see steam: Leave the engine running and carefully lift the hood.
Remove the engine compartment cover. ( P. 4 0 8 )
Check to see if the cooling fan is operating.
If the fan is operating: 
Wait until the engine coolant temperature gauge begins to
fall and then stop the engine.
If the fan is not operating: 
Stop the engine immediately and call your local Lexus
dealer.
After the engine has cooled
down sufficiently, check the
coolant level and inspect the
radiator core (radiator) for any
leaks.STEP1
STEP2
STEP3
STEP4
STEP5

546
6-1. Specifications
GS_G_U
May 13, 2008 5:14 pm
Cooling system
Ignition system
CapacityGS46011.7 qt. (11.0 L, 9.7 Imp.qt.)
GS3509.6 qt. (9.1 L, 8.0 Imp.qt.)
Coolant type
Use either of the following:• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based non-sili-cate, non-amine, non-nitrite, and non-borate cool-
ant with long-life hybrid organic acid technology
Do not use plain water alone.
Spark plug
Make DENSOFK20HBR11
Gap0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning engine.

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