2007 Pontiac Grand Prix Owner's Manual - Page 106

ACC (ACCESSORY): This position allows things like the radio and windshield wipers to operate while the engine is off. Key In the Ignition Never leave your vehicle with the keys inside, as it is an easy target for joy riders or thieves. If you leave the key in the ignition and park your vehicle, a chime will sound, when you open the driver's door. Always remember to remove your key from the ignition and take it with you. This will lock your ignition and transaxle. Also, always remember to lock the doors. The battery could be drained if you leave the key in the ignition while your vehicle is parked. You may not be able to start your vehicle after it has been parked for an extended period of time. R (RUN): This position is where the key returns to after the vehicle is started. With the engine off, the RUN position displays some of the warning and indicator lights. The battery could be drained if you leave the key in the ACC or RUN position with the engine off. You may not be able to start your vehicle if the battery is allowed to drain for an extended period of time. / (START): This position starts the engine. Let go of the key when the engine starts. The key will return to the RUN for normal driving. A continuous warning chime will sound and a KEY IN IGNITION message will display on the Driver Information Center (DIC) if the key is turned to OFF or ACC and the driver's door is opened. Retained Accessory Power (RAP) If the vehicle has Retained Accessory Power (RAP), certain features will continue to operate for up to 10 minutes after the ignition key is turned to OFF unless a door is opened. 106