2013 Subaru Impreza Owner's Manual - Page 312

7-30 Starting and operating Dynamics Control OFF indicator light" F321. & Vehicle Dynamics Control OFF switch Control system, the Vehicle Dynamics Control OFF indicator light turns off. With the Vehicle Dynamics Control system deactivated, traction and stability enhancement offered by Vehicle Dynamics Control system is unavailable. Therefore you should not deactivate the Vehicle Dynamics Control system except under above-mentioned situations. NOTE Indicator light Vehicle Dynamics Control OFF switch Pressing the switch to deactivate the Vehicle Dynamics Control system can facilitate the following operations. . a standing start on a steeply sloping road with a snowy, gravel-covered, or otherwise slippery surface . extrication of the vehicle when its wheels are stuck in mud or deep snow When the switch is pressed during engine operation, the Vehicle Dynamics Control OFF indicator light " " on the combination meter illuminates. The Vehicle Dynamics Control system will be deactivated and the vehicle will behave like a model not equipped with the Vehicle Dynamics Control system. When the switch is pressed again to reactivate the Vehicle Dynamics . The Vehicle Dynamics Control system will be activated automatically when the engine is started. . If the switch is held down for 30 seconds or longer, the indicator light turns off, the Vehicle Dynamics Control system is activated, and the system ignores any further pressing of the switch. To make the switch usable again, turn the ignition switch to the "LOCK" position and restart the engine. . When the switch is pressed to deactivate the Vehicle Dynamics Control system, the vehicle's running performance is comparable with that of a vehicle that does not have a Vehicle Dynamics Control system. Do not deactivate the Vehicle Dynamics Control system except when absolutely necessary.