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:
Using the Directory Command
The directory command lists all of the name tags stored
by the system. To use the directory command:
1. Press and hold for two seconds.
The system
responds with “Ready” followed by a tone. ...
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the vehicle's engine power is reduced. Reduced engine
power can affect the vehicle's ability to accelerate. If this message is on, but
t ...
Ashtray(s)
Notice: If papers, pins, or other flammable items
are put in the ashtray, hot cigarettes or other
smoking materials could ignite them and possibly
damage the vehicle. Never put flammable items
...
