How do you operate the DVD player on a 2004 GMC Envoy XL?

To operate the DVD player in a 2004 GMC Envoy XL, first ensure the vehicle is in accessory mode or running. Open the DVD player compartment, insert a DVD, and close the compartment. Use the buttons on the dashboard or the remote control to play, pause, or navigate the DVD menu. Remember to only use the DVD player when the vehicle is parked to ensure safety.