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:
Potential Issues
Some OnStar services are disabled
after five days. OnStar cannot
perform Remote Door Unlock or
Stolen Vehicle Assistance after the
vehicle has been off continuously
for five days. After five ...
Maintenance Records
After the scheduled services are performed, record the date, odometer
reading, who performed the service, and the type of services performed in the
boxes provided. Retain all maintenance receipts.
...
Warning Lights, Gauges, and Indicators
Warning lights and gauges can signal that something is wrong before it
becomes serious enough to cause an expensive repair or replacement. Paying
attention to the warning lights and gauges could pre ...