REV indicator light (STI)
Subaru Impreza / Subaru Impreza Owners Manual / Instruments and controls / Warning and indicator lights / REV indicator light (STI)

This light illuminates when the engine speed reaches a level set by driver or when the tachometer needle enters the red zone.
See also:
Turbo models
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Displaying radio PS (Program Service Name) and RT (Radio Text)
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Recommended clutch fluid
CAUTION
Never use different brands of clutch fluid together. Also, avoid mixing DOT 3
and DOT 4 brake fluids even if they are the same brand. ...
