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:
MAXIMUM # ELECTRONIC
KEYS LEARNED
If the vehicle has the keyless
access system, this message
displays when the maximum
number of transmitters have been
learned. See the Keyless Access
information for Remote Keyless
Entry ( ...
Traffic Options (US and Canada)
Read the following Options descriptions to understand how the XM NavTraffic™
operates. ...
Removing the Crossrails
1. Move both levers of the crossrail
into the upper forward position.
2. Slide the crossrail into the
cut-out area.
3. Remove the crossrail from the
vehicle.
4. Repeat for the other crossrail ...