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:
All-Wheel-Drive Vehicles
Dinghy and Dolly Towing
Notice: Towing an all-wheel-drive vehicle with all four wheels on the ground,
or even with only two of its wheels on the ground, will damage drivetrain components.
Do ...
Scheduling Service Appointments (U.S. and Canada)
When the vehicle requires warranty service, contact your dealer and request
an appointment. By scheduling a service appointment and advising the service
consultant of your transportation needs, your ...
Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check
tire pressure levels. The TPMS sensors monitor the air pressure in your tires and
transmit tire pressure readings ...