Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push 
to try the call again or try again after driving a few miles into another cellular area.
See also:
Making Turns
Notice: Making very sharp turns while trailering could cause the trailer to come in contact with the vehicle. The vehicle could be damaged. Avoid making very sharp turns while trailering.
When turnin ...
AM
The range for most AM stations is greater than for FM, especially at night. The longer range can cause station frequencies to interfere with each other. For better radio reception, most AM radio stati ...
CD-R- or CD-RW- Supported File and Folder Structure
The radio supports:
• Up to 50 folders.
• Up to 8 folders in depth.
• Up to 50 playlists.
• Up to 255 files.
• Playlists with an .m3u or .wpl extension.
• Files with an .mp3, .wma, o ...