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:
Recalling Button Memory Positions
To recall the manually saved Button Memory positions, press and hold “1” or
“2.” The driver seat, outside mirrors, and adjustable pedals, if available,
move to the positions stored to those buttons ...
Convenience and safety technologies
Comfort, convenience and safety offerings are plentiful and include heated
and cooled front seats; heated rear seats; heated steering wheel; standard
tri-zone climate control; factory-installed Ad ...
Charging System Light
The charging system light comes on briefly when the ignition is turned on,
but the engine is not running, as a check to show the light is working.
The light turns off when the engine is starte ...