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 ...

Recommended grade and viscosity
Use only engine oil with the recommended grade and viscosity. Refer to “Engine oil”. NOTE Engine oil viscosity (thickness) affects fuel economy. Oils of lower viscosity provide better fuel econ ...

Styling
The Impreza is athletically styled, avoiding the bulbous look that plagues some hatchbacks, including the Pontiac Vibe. One of the 2.5GT's most noticeable styling features is its hood scoop, which ...