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:
Additional
Maintenance and Care
Your vehicle is an important
investment and caring for it
properly may help to avoid future
costly repairs. To maintain
vehicle performance, additional
maintenance services may be
required ...
Trailer Towing
Before pulling a trailer, there are three important considerations that have
to do with weight:
- The weight of the trailer
- The weight of the trailer tongue
- The total weight on the vehicle's ...
Jump Starting
For more information about the
vehicle battery, see Battery.
If the vehicle battery has run down,
you may want to use another
vehicle and some jumper cables to
start your vehicle. Be sure to ...






