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:
Architecture and suspension
The story starts with the XLR's backbone, upon which the car's dynamic
capabilities depend. Based on GM's new performance car architecture, this unique
and patented structure comprises steel hydro ...
Headlamp High/Low-Beam Changer
Push the turn signal/lane change lever away from you and release, to turn
the high beams on. To return to low beams, push the lever again or pull it
toward you and release.
This indicator lig ...
Add-on Electrical Equipment
The OnStar system is integrated
into the electrical architecture of the
vehicle. Do not add any electrical
equipment. See Add-On Electrical
Equipment. Added
electrical equipment may interfer ...