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:
Ultrasonic Parking Assist
If available, the Ultrasonic Rear Parking Assist (URPA) system uses sensors on
the rear bumper to assist with parking and avoiding objects while in R (Reverse).
WARNING
The URPA system does n ...
Calling for Service
When calling Roadside Service,
have the following information
ready:
- Your name, home address, and
home telephone number.
- Telephone number of your
location.
- Location of the vehicle.
- ...
Transferring a Call
Audio can be transferred between the Bluetooth system and the cell phone.
The cell phone must be paired and connected with the Bluetooth system before
a call can be transferred. The connection pro ...






