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:
Towing with a Stability Control System
When towing, the sound of the stability control system might be heard. The
system is reacting to the vehicle movement caused by the trailer, which mainly
occurs during cornering. This is normal when ...
Coverage
Services are provided up to 5 years/ 160 000 km (100,000 mi), whichever comes
first.
In the U.S., anyone driving the vehicle is covered. In Canada, a person driving
the vehicle without permission ...
Special Application Services
. Severe Commercial Use Vehicles Only: Lubricate chassis components every 5
000 km/3,000 mi.
- Have underbody flushing service performed once a year. ...