Your Responsibility
Increase the volume of the radio if the OnStar advisor cannot be heard.
If the light next to the OnStar buttons is red, the system
may not be functioning properly. Press
and request
a vehicle diagnostic. If the light appears clear (no light is
appearing), your OnStar subscription has expired and
all services have been deactivated. Press
to confirm
that the OnStar equipment is active.
See also:
Service Manuals
Service Manuals have the diagnosis
and repair information on the
engines, transmission, axle,
suspension, brakes, electrical,
steering, body, etc. ...
Traction Control System (TCS)/StabiliTrak® Light
The Traction Control System (TCS)/StabiliTrak light comes on briefly
when the engine is started.
If the light does not come on, have
the vehicle serviced by the dealer.
If the system is workin ...
Park Tilt Mirrors
If the vehicle has memory mirrors, the outside mirrors
have park tilt mirrors. This feature tilts the driver’s side
and passenger side mirror to a factory programmed
position when the vehicle ...