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:
Symbols
The navigation system may have a feature that allows for viewing parking assist
symbols on the navigation screen while using the RVC. The Ultrasonic Rear Park Assist
(URPA) system must not be disa ...
Air Quality Sensor
This will allow you to select whether the system will operate at high or low
sensitivity. Only vehicles with the dual zone climate control will have this
option.
Press the MENU/SELECT knob when A ...
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 ...