Heated Mirrors
For vehicles with heated mirrors:
The heated outside rearview mirrors turn on when the rear window defogger is on and help to clear fog or frost from the surface of the mirrors.
(Rear Window Defogger): This button
is on the climate control panel.
See “Rear Window Defogger” under Automatic Climate Control System on page 8‑3 for more information.
See also:
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...
Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnS ...
Using the USB Port
Radios with a USB port can control a USB storage device or an iPod® using the radio buttons and knobs.
See “Playing an MP3” in CD Player on page 7‑16 or CD/DVD Player on page 7‑22 fo ...





