OnStar Services

See also:

Wiper Blade Replacement
Windshield wiper blades should be inspected for wear or cracking. See Scheduled Maintenance  for more information. It is a good idea to clean or replace the wiper blade assembly on a regular bas ...

Playing the Radio
PWR (Power): Press this knob to turn the system on and off. VOL (Volume): Turn this knob clockwise or counterclockwise to increase or to decrease the volume. DISPL (Display): When the ig ...

Auto Fan Speed
This will allow you to select the automatic fan speed. It can be adjusted to run lower or higher than normal. Press SELECT when Auto Fan Speed is highlighted to open the menu. Turn the Menu ...