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:
Services Specific to
Canadian-Purchased Vehicles
- Fuel Delivery: Reimbursement
is approximately $5 Canadian.
Diesel fuel delivery may be
restricted. Propane and other
fuels are not provided through
this service.
- Lock-Out Service: Vehicl ...
Connecting to a Different Phone
To connect to a different cell phone,
the Bluetooth system looks for the
next available cell phone in the
order in which all available cell
phones were paired. Depending on
which cell phone ...
Rear Window Defogger
(Rear Window Defogger):
Press to turn the rear window defogger on or off.
The rear window defogger turns off automatically after about 10 minutes. If
turned on again it runs for about five minu ...






