2006 Chevrolet Uplander Owner's Manual - Page 263

When a CD is playing in the single CD player, press this button to select the next track. This function is inactive if the front seat passengers are listening to a CD. When a CD is playing in the six-disc CD changer, press this button to select the next CD, if multiple CDs are loaded. This function is inactive if the front seat passengers are listening to a CD. SRCE (Source): Press this button to switch between playing the AM/FM tuner, front CD player, and XM™ Satellite Radio Service (if equipped). If one of the sources are not loaded, the system will skip over the source when this button is pressed. Turning on the parental control will also disable all other button operations from the remote control and the DVD player, except for the eject button. Press this button again to restore operation of the RSA, DVD player, and remote control. This button may also be used to turn the DVD player power on and automatically resume play if the vehicle is on and a disc is in the player. If no disc is in the player then the system will power up in auxiliary mode. Theft-Deterrent Feature 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 will not operate and LOCKED will appear on the display. With THEFTLOCK® activated, the radio will not operate if stolen. X (Headphone): Press the right or the left headphone button to enable volume control of the wired headphone connected to the corresponding jack. Press the right and left arrow buttons to change the volume. This button is located behind the video screen, below the auxiliary jacks. Press this button while using RSA, or when a DVD or CD is playing to blank the video screen and to mute the audio. The power indicator lights on the DVD player will flash. rj (Parental Control): 3-113