See also:

Driving on grades
● Before going down a steep hill, slow down and shift into lower gear (if necessary, use 1st gear) in order to utilize the overheating of your vehicle’s brakes. Do not make sudden downshifts ...

Recommended brake fluid
CAUTION Never use different brands of brake fluid together. Also, avoid mixing DOT 3 and DOT 4 brake fluids even if they are the same brand. ...

Safety
The Insurance Institute for Highway Safety crash-tested the 2008 Impreza, and the car earned a Good overall rating — the highest possible score — in frontal-offset, side-impact and rear crash test ...