Lexus RC350 Owner's Manual page 101

NOTICE
To prevent damage to the engine and its components
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Do not let the indicator of the tachometer enter the red zone, as it represents the
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engine speed range which exceeds the maximum safe engine speed.
If the engine coolant temperature gauge is in the red zone (H), the engine may be
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overheating. In this case, immediately stop the vehicle in a safe place, and check the
engine after it has cooled completely. (→P. 630)
2. Instrument cluster
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