Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Radio Reception
Frequency interference and static
can occur during normal radio
reception if items such as cellular
phone chargers, vehicle
convenience accessories, and
external electronic devices are
plu ...
Selecting the XM Band
Press the RADIO/BAND or SRCE button to choose between AM, FM, and XM. The last
channel played in that band begins to play when that band is selected. ...
High-Beam On Light
The high-beam on light comes on when the high-beam headlamps are in use.
See Headlamp High/Low-Beam Changer for more information. ...