Auxiliary Devices

The vehicle may have a 3.5mm (1/8 in) auxiliary input jack located on the lower right side of the faceplate and for vehicles with a USB port, it is located in the instrument panel storage area.

See also:

Engine Overheating
If the vehicle has the Duramax® Diesel engine, see the Duramax Diesel Supplement for more information. The vehicle has several indicators to warn of engine overheating. There is a coolant temperatu ...

Lower Anchors and Tethers for Children (LATCH System)
The LATCH system holds a child restraint during driving or in a crash. This system is designed to make installation of a child restraint easier. The LATCH system uses anchors in the vehicle and atta ...

Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.” 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” ...