2005 Subaru Impreza Owner's Manual - Page 289

Starting and operating sure greater traction. 1 (First) This position is for driving up or down very steep grades, or driving through mud or sand, or on slippery surfaces. In this position, the transmission holds in the 1st gear. Maximum speeds The following tables show the maximum speeds that are possible with each different gear. When shifting down a gear, it is important to confirm that the current vehicle speed is not in excess of the Maximum Allowable Speed of the gear which is about to be selected. 2.5-liter non-turbo models 1 2 3 28 (45) 62 (99) 95 (153) mph (km/h) 2.0-liter turbo models 28 (45) 58 (93) 99 (158) NOTE In order to prevent over-revving during deceleration of the vehicle, the transmission will remain in the current gear if the speed of the vehicle is in excess of the Maximum Allowable Speed for the gear to which the selector lever has been moved. When shifting down a gear, ensure that the vehicle is not travelling at a speed exceeding the Maximum Allowable Speed for the gear which is about to be selected. Failure to observe this precaution can lead to engine over-revving and this in turn can result in engine damage. In addition, sudden application of engine brakes when the vehicle is travelling on a slippery surface can lead to wheel locking; as a 7-26