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.
See also:
Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...
Compressed Audio or Mixed Mode Discs
The radio plays discs that contain both uncompressed CD audio and MP3/WMA files depending on which slot the disc is loaded into.
The DVD Player only reads uncompressed audio and ignores MP3/WMA files ...