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:
Making a Call
Calls can be made using the following commands.
Dial or Call: The dial or call command can be used interchangeably to dial a
phone number or a stored name tag.
Digit Dial: This command allows a ph ...
Wipe Parking
If the ignition is turned to LOCK/ OFF while the wipers are on LO, HI, or INT,
they will immediately stop. If the windshield wiper lever is then moved to off before
the driver door is opened or wi ...
Obstacle Detection Features
A warning chime will sound and the liftgate will automatically reverse direction to the full closed or open position if an obstacle is encountered during a power open or close cycle. After removing th ...