2008 Subaru Impreza Owner's Manual - Page 269

Starting and operating 7-47 & Hill start assist warning light light illuminates. It will turn off after the engine started. While the engine is rotating, if any malfunction is detected in the Hill start assist system control, the warning light will illuminate. If the warning light illuminates, have the vehicle inspected by your SUBARU dealer. The Hill start assist system does not operate when the vehicle is facing downhill. And the Hill start assist system may not operate on slight grades. When starting in reverse and using the Hill start assist system, a braking effect may be felt even after the brake pedal has been released. However, this braking effect should disappear once the clutch pedal is released. A slight jolt may be felt when the vehicle begins to move forward after being reversed. If the braking power of the Hill start assist system is insufficient after the brake pedal is released, apply more braking power by pressing the brake pedal again. Turbo models Non-turbo models When the ignition switch is turned to the "ON" position, the Hill start assist warning