See also:

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 ...

5-door models
Pressing the “” button unlocks the rear gate. An electronic chirp will sound twice and the turn signal lights will flash twice. ...

Emergency Locking Retractor (ELR)
The driver’s seatbelt has an Emergency Locking Retractor (ELR). The emergency locking retractor allows normal body movement but the retractor locks automatically during a sudden stop, impact ...