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:
Control Buttons
The buttons used to control the XM radio are:
RADIO/BAND or SRCE (Source): Press to turn the radio on and choose between AM,
FM, and XM.
or
: Press to go to the previous or next
channel.
FAV ...
Under the Hood
A 291-hp, 4.2-liter inline-six-cylinder is standard, and a 300-hp, 5.3-liter
V-8 is optional. A four-speed automatic is the sole transmission. ...
Listing Stored Numbers
The list command will list all the
stored numbers and name tags.
Using the “List” Command
1. Press . The system
responds “Ready,” followed by
a tone.
2. Say “Directory.”.
3. Say ...