Multi-Band Antenna
The multi-band antenna is located on the roof of the vehicle. This type of antenna is used with the AM/FM radio, as well as OnStar and the XM Satellite Radio Service System, if the vehicle has these features.
Keep this antenna clear of snow and ice build up for clear radio reception. If the vehicle has a sunroof, the performance of the radio system may be affected if the sunroof is open. Loading items onto the roof of the vehicle can interfere with the performance of the radio system and, if the vehicle has this feature, OnStar. Make sure the multi-band antenna is not obstructed.
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 ...
Guidelines
The RVC system has a guideline overlay that can help the driver align the vehicle
when backing into a parking spot.
To turn the guidelines on or off:
1. Shift into P (Park).
2. Press the CONFIG b ...
Checking Engine Oil
It is a good idea to check the engine oil level at each fuel fill. In order to
get an accurate reading, the vehicle must be on level ground. The engine oil dipstick
handle is a yellow loop. See En ...