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:
Wiper Blade Replacement
Windshield wiper blades should be inspected for wear or cracking.
See Maintenance Schedule for more information.
It is a good idea to clean or replace the wiper blade assembly on a regular
basi ...
System Settings
CONFIG: Press to adjust the
number of favorites pages, auto
volume, XM (if equipped), and HDD
(if available) settings. The FAV,
AUTO VOL, XM (if equipped), and
HDD (if available) tabs displa ...
Vehicle Positioning
At times, the position of the vehicle on the map may be inaccurate due to one
or more of the following reasons:
Road system has changed.
Vehicle is driving on slippery road surfaces such as in ...