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:
Shifting Into Park
WARNING
It can be dangerous to get out of the vehicle if the shift lever is not fully
in P (Park) with the parking brake firmly set. The vehicle can roll. If you have
left the engine running ...
Using Voice Commands During a Planned Route
Cancel Route
1. Push . System responds: “OnStar
ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel
route directions to your destination?”
2. Say “Yes.” System re ...
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 ...