See also:

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Dinghy Towing
Two-Wheel-Drive Vehicles Notice: If the vehicle is towed with all four wheels on the ground, the drivetrain components could be damaged. The repairs would not be covered by the vehicle warranty. D ...

USB-Supported File and Folder Structure
The radio supports: • Up to 700 folders • Up to eight folders in depth • Up to 65,535 files. • Folder and file names up to 64 bytes • Files with an .mp3 or .wma file extension • AAC ...