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:
Federal Communications Commission (FCC) Rules and with Industry Canada Standards
See Radio Frequency Statement for information regarding Part 15
of the Federal Communications Commission (FCC) Rules and with Industry Canada Standards
RSS-GEN/210/220/310. ...
Brake Adjustment
Every time the brakes are applied, with or without the vehicle moving, the brakes
adjust for wear. ...
Unable to Connect to OnStar
Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push to try the
call again or try again after driving a
few miles into ...