TTY Users
OnStar has the ability to communicate to the deaf, hard–of–hearing, or speech–impaired customers while in the vehicle.
The available dealer–installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn–by–Turn Navigation.
See also:
Power Assist Steps
The vehicle may have power assist steps. To enable or disable the power assist
steps push .
The power assist steps automatically extend from beneath the vehicle on the side
in which the door ha ...
Increasing Speed While Using Cruise Control
If the cruise control system is already activated,
. Press and hold the +RES button on the steering wheel until the desired speed
is reached, then release it.
. To increase vehicle speed in small ...
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission,
axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service Bullet ...