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:
Language
Press the customization button until LANGUAGE:
ENGLISH appears in the display. To select
your preference for display language, press the
select button while LANGUAGE: ENGLISH
is displayed on the ...
Torque Lock
If you are parking on a hill and you do not shift your
transmission into PARK (P) properly, the weight of
the vehicle may put too much force on the parking
pawl in the transmission. You may find it ...
Turn and Lane-Change Signals
An arrow on the instrument
panel cluster flashes in the
direction of the turn or
lane change.
For vehicles with the side blind zone alert system, an
arrow in the outside mirror flashes when ...