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:
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, ...
Compass
The vehicle may have a compass
display on the Driver Information
Center (DIC). The compass receives
its heading and other information
from the Global Positioning
System (GPS) antenna, Stabil ...
Retained Accessory Power (RAP)
These vehicle accessories can be
used for up to 10 minutes after the
engine is turned off:
• Audio System
• Power Windows
• Sunroof (If Equipped)
• Auxiliary Power Outlet
Power to the ...