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:
Park Brake and P (Park) Mechanism Check
WARNING
When you are doing this check, the vehicle could begin to move. You or others
could be injured and property could be damaged. Make sure there is room in front
of the vehicle in case ...
Ultrasonic Parking Assist
If available, the Ultrasonic Front and Rear Parking Assist (UFRPA) system
assists the driver with parking and avoiding objects.
UFRPA operates at speeds less than 8 km/h (5 mph). The sensors on th ...
Tow/Haul Mode
The vehicle has a Tow/Haul Mode. The Tow/Haul Mode adjusts the transmission shift
pattern to reduce shift cycling, providing increased performance, vehicle control,
and transmission cooling when ...