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:
Vehicle Overview
Cadillac stepped into rear-wheel-drive territory with its STS sedan, which
replaced the front-wheel-drive Seville for 2005. Built on a Sigma-based
architecture, like the company's smaller CTS seda ...
California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is
designed to operate on fuels that meet California specifications.
See the underhood emission control label. If this fuel i ...
Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...






