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:
Windshield Wipers
If the wiper motor overheats due to heavy snow or ice, the windshield wipers
will stop until the motor cools and will then restart.
Although the circuit is protected from electrical overload, overl ...
Footnotes — Maintenance
Schedule Additional Required
Services — Severe
a) Vehicles with different size front
and rear tires do not have tire
rotation. See Tire Rotation.
b) Or every two years, whichever
comes first.
c) Check all fuel and vapor lines
and hoses f ...
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. Always reset the engine oil life to 100% after every
oil change. It will not reset ...