2011 GMC Canyon Regular Cab Owner's Manual - Page 152

7-2 Infotainment System If that equipment is replaced or additional equipment is added to your vehicle, the chimes may not work. Make sure that replacement or additional equipment is compatible with your vehicle before installing it. See Accessories and Modifications on page 10‑3. The vehicle has Retained Accessory Power (RAP). With RAP, the audio system can be played even after the ignition is turned off. See Retained Accessory Power (RAP) on page 9‑33 for more information. For more information, see Defensive Driving on page 9‑2. Notice: Contact your dealer before adding any equipment. Adding audio or communication equipment could interfere with the operation of the vehicle's engine, radio, or other systems, and could damage them. Follow federal rules covering mobile radio and telephone equipment. Notice: The chime signals related to safety belts, parking brake, and other functions of your vehicle operate through the radio/entertainment system. Theft-Deterrent Feature Non-RDS Radios TheftLock® is designed to discourage theft of your vehicle's radio. The feature works automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a different vehicle, it does not operate and LOC displays. With TheftLock activated, the radio does not operate if stolen.