Automatic Dimming Mirror
If the vehicle has the automatic dimming mirror, the driver outside mirror automatically adjusts for the glare of the headlamps from behind.
This feature is controlled by the on and off setting on the inside rearview mirror. See Automatic Dimming Rearview Mirror on page 2‑20 for more information.
See also:
Vehicle Information Menu Items (with DIC Buttons)
(Vehicle Information): Press this button to scroll through the following menu items: ...
Reducing Speed While Using Cruise Control
If the cruise control system is already activated, . Press and hold the SET– button on the steering wheel until the desired lower speed is reached, then release it.
• To slow down in small amount ...
Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service.
Get subscription plan pricing and sign up for OnStar Vehicle Diagnos ...