Recommended shifting speeds
Subaru Impreza / Subaru Impreza Owners Manual / Starting and operating / Manual transmission – 6 speeds (STI) / Shifting speeds / Recommended shifting speeds

The best compromise between fuel economy and vehicle performance during normal driving is ensured by shifting up at the speeds listed in the following table.
See also:
Tachometer
The tachometer shows the engine speed in thousands of revolutions per minute.
CAUTION
Do not operate the engine with the pointer of the tachometer in the red zone.
In this range, fuel injection wi ...
Opening the trunk lid/unlocking rear gate
Opening the trunk lid/unlocking rear gate ...
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 ...
