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:
Safety
Side-impact airbags are installed in the seats. The seat belts have powered
pretensioners. Four-channel all-disc antilock brakes, traction control and a
stability system are standard. ...
Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade.
If the transmission is not shifted down, the brakes might get hot and no longer
work well.
Vehicles can tow ...
What to Use
Refer to Recommended Fluids and Lubricants to determine what kind
of lubricant to use. ...