Interior Mirror
The vehicle has an automatic dimming inside rearview mirror. Automatic dimming reduces the glare of lights from behind the vehicle. The dimming feature comes on and the indicator light illuminates each time the vehicle is started.
Press the 
button, located on the
mirror, to turn the
dimming feature and compass on or off.
See Automatic Dimming Rearview Mirror.
See also:
If an Accident Occurs
Here is what to do if you are involved in an
accident.
• Try to relax and then check to make sure you
are all right. If you are uninjured, make sure
that no one else in your vehicle, or the
o ...
Customer Assistance Offices
Buick encourages customers to call the toll-free
number for assistance. However, if a customer
wishes to write or e-mail Buick, the letter should be
addressed to:
United States — Customer Assist ...
OnStar Mobile App
With an iPhone® or
Android™-based mobile device, an
OnStar mobile app can be
downloaded. The vehicle can be
remote started, if equipped, or the
doors can be unlocked from
anywhere there ...