2011 Chevrolet Express 1500 Cargo Owner's Manual - Page 176

7-2 Infotainment System Notice: The chime signals related to safety belts, parking brake, and other functions of the vehicle operate through the radio/ entertainment system. If that equipment is replaced or additional equipment is added to the vehicle, the chimes may not work. Make sure that replacement or additional equipment is compatible with the 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 9‑21 for more information. To minimize taking your eyes off the road while driving, do the following while the vehicle is parked: . Theft-Deterrent Feature TheftLock® is designed to discourage theft of the 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 either LOC or LOCKED displays. When the radio and vehicle are turned off, there may be a blinking red light to indicate TheftLock is armed. With TheftLock activated, the radio does not operate if stolen. Become familiar with the operation and controls of the audio system. Set up the tone, speaker adjustments, and preset radio stations. . 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 engine, radio, or other systems, and could damage them. Follow federal rules covering mobile radio and telephone equipment.