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:
Hill Start Assist (HSA)
This vehicle has a Hill Start Assist (HSA) feature, which may be useful when
the vehicle is stopped on a grade. This feature is designed to prevent the
vehicle from rolling, either forward or rearwa ...
Operation
Full View of Radio with CD Shown, Radio with Six-Disc CD Similar
Partial View of Radio with DVD Audio, Hard Drive
Device (HDD), and USB
The vehicle may have one of these
radios as its audio ...
Adaptive cruise control
The XLR will be among the first vehicles with adaptive cruise control (ACC).
While not a substitute for full driver attention, this system greatly expands
the convenience of cruise control. ACC us ...