Audio System(s)Notice: Before adding any sound equipment toyour vehicle, such as an audio system, CD player,CB radio, mobile telephone, or two-way radio, makesure that it can be added by checking with yourdealer. Also, check federal rules covering mobileradio and telephone units. If sound equipment canbe added, it is very important to do it properly.Added sound equipment may interfere withthe operation of your vehicle’s engine, radio, orother systems, and even damage them. Yourvehicle’s systems may interfere with the operationof sound equipment that has been added.Notice: The chime signals related to seat belts,parking brake, and other functions of your vehicleoperate through the GM radio/entertainment system.If that equipment is replaced or additionalequipment is added to your vehicle, the chimes maynot work. Make sure that replacement or additionalequipment is compatible with your vehicle beforeinstalling it.Figure out which audio system is in your vehicle, findout what your audio system can do, and how to operateall of its controls.Your vehicle has a feature called Retained AccessoryPower (RAP). With RAP, the audio system can beplayed even after the ignition is turned off. See RetainedAccessory Power (RAP) on page 2-25 for moreinformation.Setting the Time for Radios withoutRadio Data Systems (RDS)Press and hold HR until the correct hour appears on thedisplay. Press and hold MN until the correct minuteappears on the display. Display the time with the ignitionoff by pressing one of these buttons.3-80
