2007 GMC Canyon Owner's Manual - Page 100

If you have an automatic transmission, the ignition switch cannot be turned to LOCK/OFF unless the shift lever is in PARK (P). If the steering wheel is locked, move it from right to left and turn the key to ACC/ACCESSORY. If none of this works, then your vehicle needs service. (B) ACC/ACCESSORY: This is the position in which you can operate your electrical accessories or items plugged into the accessory power outlets. On automatic transmission vehicles, this position unlocks the ignition. On manual transmission vehicles, it unlocks the ignition and steering wheel. Use this position if your vehicle must be pushed or towed. (C) ON/RUN: This is the position that the switch returns to after you start your engine and release the switch. The switch stays in ON when the engine is running. But even when the engine is not running, you can use ON/RUN to operate the electrical accessories and to display some instrument panel cluster warning and indicator lights. The transmission is also unlocked in this position on automatic transmission vehicles. The battery could be drained if you leave the key in the ACC/ACCESORY or ON/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 (D): This is the position that starts the engine. When the engine starts, release the key. The ignition switch returns to ON/RUN for driving. When the engine is not running, ACC/ACCESSORY and ON/RUN allows you to operate the electrical accessories, such as the radio or items plugged into the accessory power outlets. A warning tone will sound if you open the driver's door when the ignition is in ACC/ACCESSORY or LOCK/OFF and the key is in the ignition. 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 transmission. 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. 2-20