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:
Removing the Spare Tire and
Tools (Sedan)
Sedan
A. Wing Nut
B. Spare Tire
C. Jack
D. Wheel Wrench
E. Extension (If Equipped)
F. Strap
To access the spare tire and jacking
equipment:
1. Remove the spare tire cover.
2. Remove the f ...
When It Is Time for New Tires
Factors, such as maintenance, temperatures, driving speeds, vehicle loading,
and road conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell when it is time for ne ...
How to Reset the Engine Oil Life System
Reset the system whenever the engine oil is changed so that the system can
calculate the next engine oil change. To reset the system:
1. Using the DIC MENU button and thumbwheel on the turn signal ...