2006 GMC Envoy Owner's Manual - Page 278

Battery Replacement To change the batteries, do the following: 1. Remove the battery compartment door located on the bottom of the remote control. 2. Replace the two AA batteries in the compartment. Make sure that they are installed correctly, using the diagram on the inside of the battery compartment. 3. Close the battery door securely. If the remote control is to be stored for a long period of time, remove the batteries and keep them in a cool, dry place. Problem No power. Disc will not play. The picture does not fill the screen. There are black borders on the top and bottom or on both sides or it looks stretched out. Recommended Action The ignition might not be in on or accessory. The parental control button might have been turned on. The power indicator light will flash. The system might be off. The parental control button might have been turned on. The power indicator light will flash. The system might be in auxiliary mode. The disc is upside down or is not compatible. Check the display mode settings in the display menu. 3-134