2009 Subaru Impreza Owner's Manual - Page 243

Starting and operating 7-23 Automatic transmission The automatic transmission is electronically controlled and provides 4 forward speeds and 1 reverse speed. Also, it has a manual mode and a SPORT mode. WARNING Do not shift from the "P" or "N" position into the "D" or "R" position while depressing the accelerator pedal. This may cause the vehicle to jump forward or backward. "R" position or vice versa until the vehicle has completely stopped. Such shifting may cause damage to the transmission. . When parking the vehicle, first securely apply the parking brake and then place the selector lever in the "P" position. Avoid parking for a long time with the selector lever in any other position as doing so could result in a dead battery. allow the transmission to shift at the most appropriate times for the current condition of your vehicle. Optimized shifting will be restored as the vehicle continues to be driven for a while. NOTE (non-turbo models only) To protect the engine while the "P" or "N" position is selected, the engine is controlled so that the engine speed may not become too high even if the accelerator pedal is pressed hard. & Selector lever CAUTION . Shift into the "P" or "R" position only after the vehicle is completely stopped. Shifting while the vehicle is moving may cause damage to the transmission. . Do not race the engine for more than 5 seconds in any position except the "N" or "P" position when the brake is set or when chocks are used in the wheels. This may cause the automatic transmission fluid to overheat. . Avoid shifting from one of the forward driving positions into the NOTE . When the engine coolant temperature is still low, the automatic transmission will upshift to higher engine speeds than when the coolant temperature is sufficiently high in order to shorten the warm-up time and improve driveability. The gearshift timing will automatically shift to the normal timing after the engine has warmed up. . Immediately after ATF (automatic transmission fluid) is replaced, you may feel that the automatic transmission operation is somewhat unusual. This results from invalidation of data which the on-board computer has collected and stored in memory to : Shifting is possible with the brake pedal depressed : Shifting is possible whether the brake pedal is depressed or not - CONTINUED -