Subaru Impreza Manuals 2010 Impreza Owner's Manual | Page 243

Starting and operating In addition, sudden application of engine brakes when the vehicle is travelling on a slippery surface can lead to wheel locking; as a consequence, control of the vehicle may be lost and the risk of an accident increased. NOTE In this way, the engine provides a braking effect. Remember, if you “ride” (over use) the brakes while descending a hill, they may overheat and not work properly. 7-17 Manual transmission – 5 speeds (except WRX STI) The engine may, on rare occasions, knock when the vehicle rapidly accelerates or rapidly pulls away from a standstill. This phenomenon does not indicate a malfunction. Never exceed posted speed limits. & Drivi