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:
Tire Rotation
Tires should be rotated every 12 000 km (7,500 mi).
See Maintenance Schedule.
Tires are rotated to achieve a uniform wear for all tires.
The first rotation is the most important.
Any time ...
Control of a Vehicle
Braking, steering, and accelerating are important factors in helping to control
a vehicle while driving. ...
Retained Accessory Power (RAP)
The following vehicle accessories can be used for up to 10 minutes after the
engine is turned off:
Audio System
Power Windows
OnStar System (if equipped)
Sunroof (if equipped)
These fea ...