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:
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise, commonly referred
to as spark knock, might be heard when ...
3.5mm Jack
Connect a 3.5mm (1/8 in) cable to
the auxiliary input jack to use a
portable audio player.
Playback of an audio device that is
connected to the 3.5mm jack can
only be controlled using the con ...
StabiliTrak®
The vehicle may have the StabiliTrak system that
assists with directional control of the vehicle in difficult
driving conditions. The system turns on automatically
every time the vehicle is star ...