Automatic Dimming Rearview Mirrorwith Compass
Your vehicle may have an automatic-dimming rearview mirror with a compass.
(On/Off): This is the
on/off button for the
automatic dimming feature and compass.
See also:
OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that
can be used to interact with OnStar® Hands-Free
Calling.
On some vehicles, you may have to hold the
button for a few seconds and give the command
†...
Service Only Mode
This power mode is available for service and diagnostics, and to verify the proper
operation of the malfunction indicator lamp as may be required for emission inspection
purposes. With the vehicle ...
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. ...