radiator Lexus GS350 2010 Using The Audio System / LEXUS 2010 GS460 GS350 (OM30C80U) User Guide

457
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Radiator and condenser
Check the radiator and condenser and clear any foreign objects. 
If either of the above parts are extremely dirty or you are not sure of their
condition, have your vehicle checked by your Lexus dealer.
Brake fluid
■Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
Make sure to check the fluid type and prepare the necessary items.
■Adding fluid
CAUTION
■When the engine is hot
Do not touch the radiator or condenser, as they may be hot and you may be burned.
Fluid typeFMVSS No.116 DOT 3 or SAE J1703 brake fluid
ItemsClean funnel

578
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
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. Carefully lift the hood after the steam sub-
sides and then restart the engine.
If you do not see steam:
Leave the engine running and carefully lift the hood.
Remove the engine compartment cover. (P. 450)
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 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

5
When trouble arises
579
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
■Overheating
In the following situations, your vehicle may be overheating.
●The engine coolant temperature gauge enters the red zone or a loss of power is
experienced.
●Steam is coming from under the hood.
CAUTION
■To prevent an accident or injury when inspecting under the hood of your vehicle
●If steam is seen coming from under the hood, do not open the hood until the
steam has subsided. The engine compartment may be very hot, causing serious
injury such as burns.
●Keep hands and clothing away from the fan and engine drive belt while the
engine is running.
●Do not loosen the radiator cap while the engine and radiator are hot.
Serious injury, such as burns, may result from hot coolant and steam released
under pressure.
Add coolant if necessary.
Water can be used in an emer-
gency measure if coolant is
unavailable. (P. 5 9 4 )
Have the vehicle checked at your nearest Lexus dealer as soon as pos-
sible.
STEP6

637
Alphabetical index
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Noise from under the vehicle .............. 18
Odometer ................................................. 147
Oil
Engine oil ................................................. 451
Opener
Fuel filler door ........................................ 82
Hood ....................................................... 445
Trunk........................................................... 48
Outer foot lights ................................... 382
Outside rear view mirrors
Adjusting and folding .......................... 73
Mirror position memory ................... 55
Outside temperature 
display .......................................... 156, 396
Overhead console .............................. 389
Overheating, Engine .......................... 578
Parking brake .......................................... 145
Parking lights
Replacing light bulbs ......................... 512
Switch ........................................................ 157
Wattage ................................................ 600
Personal lights ....................................... 384
Portable music player ........................ 328
Power outlet ........................................... 399
Power windows......................................... 75
Pre-collision system .............................207Radar cruise control ............................... 171
Radiator .................................................... 457
Radio ..........................................................260
Radio data system ................................ 262
Rear sunshade .......................................403
Rear turn signal lights
Replacing light bulbs ......................... 512
Wattage ................................................. 600
Rear view monitor system.................. 196
Rear window defogger ......................255
Replacing
Electronic key battery ......................482
Fuses........................................................ 484
Light bulbs .............................................. 512
Reporting safety defects for 
U.S. owners .......................................... 626
Safety Connect....................................... 421
Seat belts
Adjusting the seat belt ........................ 63
Automatic locking retractor ............66
Child restraint system 
installation .............................................. 114
Cleaning and maintaining 
the seat belts .....................................434
Emergency locking retractor..........66
How to wear your seat belt ............. 63
How your child should wear 
the seat belt ..........................................66
Pre-collision seat belts .......................65
Pregnant women, 
proper seat belt use .........................66
Reminder light .................................... 536
Seat belt extenders .............................. 67
Seat belt pretensioners ......................65N
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