See also:

USB-Supported Devices
• USB flash drive • Portable USB hard drive • Fifth generation or later iPod • iPod nano • iPod touch • iPod classic Not all iPods and USB drives are compatible with the USB port. M ...

How to Add Coolant to the Coolant Surge Tank for Gasoline Engines
If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure. WARNING You can be burned if you spill coolant on hot engine part ...

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 ce ...