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:
StabiliTrak® OFF Light
This light comes on briefly while
starting the engine. If it does not,
have the vehicle serviced by your
dealer.
This light comes on when the
StabiliTrak system is turned off.
If StabiliTr ...
Navigation System
If the vehicle has a navigation
system, there is a separate
navigation system manual that
includes information on the radio,
audio players, and navigation
system.
The navigation system prov ...
Roadside Service (Mexico)
As a new owner, your vehicle is automatically enrolled in the Roadside
Assistance program.
The services are available at no cost under the terms and conditions of the
program. The Roadside Assist ...