2004 GMC Envoy Owner's Manual - Page 236

Problem After stopping the player, I push Play but sometimes the DVD starts where I left off and sometimes at the beginning. The auxiliary source is running but there is no picture or sound. My disc is stuck in the player. The Load/Eject button does not work. Recommended Action If the stop button was pressed one time, the DVD player will resume playing where the DVD was stopped. If the stop button was pressed two times the DVD player will begin to play from the beginning of the DVD. Check that the DVD player is in the auxiliary source mode. Check the auxiliary input connections at both devices. Turn the DVD power off, then on, the press the load/eject button on the DVD player. Do not attempt to forcibly remove the disc from the DVD player. This could permanently damage the disc and DVD player. Problem Sometimes the wireless headphone audio cuts out or buzzes. I lost the remote and/or the headphones. The DVD is playing, but there is no picture or sound. The audio/video skips or jumps. Recommended Action Check for obstructions, low batteries, reception range, and interference from cellular telephone towers or by using your cellular telephone in the vehicle. Check that the headphones are facing the front of the vehicle. See your dealer for assistance. Check that the DVD player is in DVD mode. The DVD or CD could be dirty, scratched, or damaged. The audio from the radio The RSE is working for the Radio with correctly. Six-Disc CD and XM™ Use the wireless has taken over the audio headphones or have the from the DVD or CD when front seat passengers using the wired listen to another audio headphones. source. 3-116