See also:

Air filtration system
Replace the filter element according to the replacement schedule as follows. This schedule should be followed to maintain the filter’s dust collection ability. Under extremely dusty conditions ...

SAFETY
Although the STi wasn't designed as a family car, all of the family-centric safety features on the Impreza sedan are in it. The STi has four-wheel-disc antilock brakes with brake assist, stability ...

SI-DRIVE selector
When you rotate the SI-DRIVE selector to the left, the current SI-DRIVE mode changes to Sport (S) mode. When you rotate it to the right, the mode changes to Sport Sharp (S#) mode, and when you push it ...