Lexus GS350 Owner's Manual page 91

NOTICE
To prevent damage to the engine and its components
■
Do not let the indicator needle of the tachometer enter the red zone, which indicates
●
the maximum engine speed.
The engine may be overheating if the engine coolant temperature gauge is in the red
●
zone (H). In this case, immediately stop the vehicle in a safe place, and check the
engine after it has cooled completely. (→P. 509)
GS350_300_GS F_OM_OM30G34U_(U)
2. Instrument cluster
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