OnStar Services
See also:
How the System Works
When the vehicle is started, both outside mirror displays
will briefly come on to indicate that the system is
operating. While driving forward, the left or right side
mirror SBZA display will ...
Rear Window Defogger
(Rear Window Defogger):
Press to turn the rear window
defogger on or off.
The rear window defogger turns off
automatically after about
10 minutes. If turned on again it
runs for about five ...
Brake Assist
This vehicle has a brake assist feature designed to assist the driver in stopping
or decreasing vehicle speed in emergency driving conditions. This feature uses the
stability system hydraulic brak ...
