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:
Interior details and flexibility
The GMC Terrain's rich, premium interior is influenced by industrial
sculpture and exudes refinement exemplified by contrast stitching and fine
materials that create a structured look throughout t ...
XM™ Satellite Radio Service
XM is a satellite radio service based in the 48 contiguous United States and 10 Canadian provinces. XM Satellite Radio has a wide variety of programming and commercial-free music, coast to coast, and ...
Windshield Wiper/Washer
The front wiper control is located on the turn and lane-change lever.
The windshield wipers are controlled by turning the band with
on it.
(Mist): For
a single wipe, turn to , then
release ...