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:
Bluetooth Controls
Use the buttons located on the
infotainment system and the
steering wheel to operate the
Bluetooth system.
Steering Wheel Controls
(Push To Talk) : Press to
answer incoming calls, confirm
...
Navigation System
If the vehicle has a navigation system, use of the system may result in the storage
of destinations, addresses, telephone numbers, and other trip information. Refer
to the navigation manual for in ...
Engine Coolant Heater
Your vehicle may have an engine coolant heater.
In very cold weather, 0°F (−18°C) or colder,
the engine coolant heater can help. You will get
easier starting and better fuel economy durin ...