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:
Engine Oil Pressure Light
Notice: Lack of proper engine oil maintenance can damage the engine. Driving
with the engine oil low can also damage the engine. The repairs would not be covered
by the vehicle warranty. Check t ...
Brake Adjustment
Every time the brakes are applied,
with or without the vehicle moving,
the brakes adjust for wear. ...
Lamps On Reminder
This light comes on whenever the
parking lamps are on.
See Exterior Lamps Off Reminder for more information. ...