See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Additional Program Information
All program options, such as shuttle service, may not be available at every dealer. Please contact your dealer for specific information about availability. All Courtesy Transportation arrangements ...

Connecting and Controlling a USB Drive
The infotainment system can only play back .mp3 and .wma files from a USB drive. Only the first 10,000 songs are recognized on the device. When a device is not supported, the message “No supported ...