See also:

Tire pressures and wear
Maintaining the correct tire pressures helps to maximize the tires’ service lives and is essential for good running performance. Check and, if necessary, adjust the pressure of each tire (includin ...

New Chassis Tuning for 2011
The Subaru Impreza WRX STI was already a highly optimized performance machine. Specific chassis tuning. Aluminum front lower L-arms reduce unsprung vehicle weight. Major chassis tuning changes inc ...

Daytime running light system (if equipped)
The brightness of the illumination of the high beam headlights is reduced by the daytime running light system. The light switch must always be turned to the “” position when it is dar ...