2012 Lexus GS350 engine

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Page 684 of 914

Lexus GS350 2012  Owners Manual 6666-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)
CAUTION
When the engine is hot
Do not remove the engine coolant reservoir cap or the radiator cap. (P.
830)
The cooling system may be u

Page 685 of 914

Lexus GS350 2012  Owners Manual 667 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)Check the radiator and condenser and clear away any foreign
objects. 
If either of the above parts is extremely dirty

Page 687 of 914

Lexus GS350 2012  Owners Manual 669 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
Before recharging
When recharging, the battery produces hydrogen gas which is flammable and
explosive. Therefore,

Page 689 of 914

Lexus GS350 2012  Owners Manual 671 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)If any washer does not work or
the warning message appears on
the multi-information display,
the washer tank may be em

Page 693 of 914

Lexus GS350 2012  Owners Manual 675 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
Initializing the tire pressure warning system
The tire pressure warning system must be initialized in the fol-

Page 694 of 914

Lexus GS350 2012  Owners Manual 6766-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)Press and hold the tire pres-
sure warning reset switch
until the tire pressure warn-
ing light blinks slowly 3
times.
Wait for a few minutes

Page 695 of 914

Lexus GS350 2012  Owners Manual 677 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
When to replace your vehicle’s tires
Tires should be replaced if:
You have tire damage such as cuts, splits,

Page 698 of 914

Lexus GS350 2012  Owners Manual 6806-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)
The initialization operation (vehicles with the tire pressure warning system)
Make sure to carry out initialization after adjusting the