2009 GMC Acadia Owner's Manual - Page 246

3-124 Instrument Panel Recommended Action Check for obstructions, low batteries, reception range, and interference from cellular telephone towers or by using a cellular telephone in the vehicle. Check that the headphones are on correctly using the L (left) and R (right) on the headphones. See your dealer/retailer for assistance. Check that the RSE video screen is sourced to the DVD player. Disc Region Error: This message displays if the disc is not from a correct region. No Disc Inserted: This message displays if no disc is present when the Z EJECT button is pressed on the radio. Problem Sometimes the wireless headphone audio cuts out or buzzes. DVD Distortion Video distortion can occur when operating cellular phones, scanners, CB radios, Global Position Systems (GPS)*, two-way radios, mobile fax, or walkie talkies. It might be necessary to turn off the DVD player when operating one of these devices in or near the vehicle. *Excludes the OnStar® System. I lost the remote and/or the headphones. The DVD is playing, but there is no picture or sound. Cleaning the RSE Overhead Console When cleaning the RSE overhead console surface, use only a clean cloth dampened with clean water. DVD Display Error Messages The DVD display error message depends on which radio the vehicle has. The video screen might display one of the following: Disc Load/Eject Error: This message displays when there are disc load or eject problems. Disc Format Error: This message displays if the disc is inserted with the disc label wrong side up, or if the disc is damaged. Cleaning the Video Screen Use only a clean cloth dampened with clean water. Use care when directly touching or cleaning the screen, as damage could result.