2003 GMC Sonoma Owner's Manual - Page 194

Traffic Interrupt Feature: Your radio can interrupt the play of a CD. Press the TRAF button. The radio will seek to a station that broadcasts traffic announcements. When the radio finds a station that broadcasts traffic announcements, it will stop. Brackets around TRAF will appear on the display. When a traffic announcement comes on the station that was found, you will hear it. When the traffic announcement is over, the radio will resume play of the CD. If no station is found, NO TRAFFIC will appear on the display. When a disc is inserted, the CD symbol will be displayed. If you select an equalization setting for your disc, it will be activated each time you play a disc. If the radio is on or off, the disc will begin to play automatically. To insert multiple discs, do the following: 1. Turn the ignition on. 2. Press and hold the LOAD side of the LOAD CD button for two seconds. You will hear a beep and the light, located to the right of the slot, will begin to flash. Playing a Compact Disc If an error appears on the display, see "Compact Disc Messages" later in this section. LOAD CD /1: Press the LOAD side of this button to load CDs into the compact disc player. This compact disc player will hold up to six discs. 3. Once the light stops flashing and turns green, load a disc. Insert the disc partway into the slot, label side up. The player will pull the disc in. Once the disc is loaded, the light will begin flashing again. Once the light stops flashing and turns green you can load another disc. The disc player takes up to six discs. Do not try to load more than six. To load more than one disc but less than six, complete Steps 1 through 3. When you have finished loading discs, with the radio on or off, press the LOAD side of the LOAD CD button to cancel the loading function. The radio will begin to play the last CD loaded. 3-67 To insert one disc, do the following: 1. Turn the ignition on. 2. Press and release the LOAD side of the LOAD CD button. 3. Wait for the light, located to the right of the slot, to turn green. 4. Load a disc. Insert the disc partway into the slot. label side up. The player will pull the disc in.