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:
Audio Output
Audio from the DVD player or auxiliary inputs can be heard through the
following:
- Wireless headphones
- Vehicle speakers
- Vehicle wired headphone jacks on the rear seat audio system, if the v ...
Replacing Safety Belt System Parts after a Crash
WARNING!
A crash can damage the safety
belt system in the vehicle.
A damaged safety belt system
may not properly protect the
person using it, resulting in
serious injury or even death in a
...
Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification
and viscosity grade.
See Recommended Fluids and Lubricants.
Specification
Use and ask for licensed engine oils wit ...