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:
Checking the oil level
Non-turbo models
1) Yellow handle
Turbo models except STI
Check the oil level monthly.
1. Park the vehicle on a level surface and stop the engine.
2. Pull out the level gauge, wipe it clean, and ...
Parking brake lining
The break-in maintenance for the parking brake linings should be performed at
a SUBARU dealer. ...
Power steering
CAUTION
Do not hold the steering wheel at the fully locked position left or right for
more than 5 seconds. This may damage the power steering pump.
The power steering system operates only when the ...
