OnStar Services
See also:
When the System Does Not
Seem to Work Properly
The following messages may be
displayed on the DIC:
PARKING ASSIST OFF: This
message occurs if the driver
disables the system or if vehicle is
driven above 8 km/h (5 mph) in
R (Reverse).
S ...
Radio(s)
VOL/ : Press to turn the system
on and off. Turn to increase or
decrease the volume.
FM/AM: Press to select between
FM or AM.
: Press to select XM™,
if equipped.
TUNE/TONE: Turn to select ...
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 brake ...






