Service
For service and parts needs, visit your dealer/retailer.
You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

See also:
How OnStar Service Works
: This blue button connects you
to a specially
trained OnStar advisor to verify your account information
and to answer questions.
: Push this red emergency button to
get priority help
fro ...
Comfort and Convenience
Select the Comfort and
Convenience menu and the
following will be displayed:
• Chime Volume
• Driver Seat Easy Exit
• Park Tilt Mirrors ...
Automatic Dimming Rearview Mirror
On vehicles with an automatic
dimming inside rearview mirror the
automatic dimming reduces the
glare from the headlamps of the
vehicle behind you.
Vehicles with OnStar have three
control bu ...
