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:
Flash-to-Pass
Use your high-beam headlamps to signal to a driver in front that you want to
pass. It works even if the headlamps are in the automatic position.
To use it, pull the turn signal lever toward you, th ...
Storing and Deleting Phone
Numbers
The system can store up to
30 phone numbers as name tags
in the Hands-Free Directory that is
shared between the Bluetooth and
OnStar systems.
The following commands are used
to delete and s ...
Driving on Hills
Driving safely on hills requires good judgment and an understanding of what the
vehicle can and cannot do.
WARNING
Many hills are simply too steep for any vehicle. Driving up hills can cause ...