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.
See also:
Programming Transmitters to the Vehicle
Only keyless entry transmitters programmed to the vehicle will work.
If a transmitter is lost or stolen, a replacement can be purchased and
programmed through your dealer.
The vehicle can be re ...
Preset Destination
The preset destination entry method lets you set a destination by selecting from
one of five previously stored destinations. Besides voice tagged destinations, these
are the only destinations avai ...
Engine Oil
To ensure proper engine performance and long life, careful attention must be
paid to engine oil. Following these simple, but important steps will help protect
your investment:
Always use engin ...