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:
Transmission Messages
DIFFERENTIAL HOT, REDUCE
SPEED (CTS-V ONLY)
This message displays and a
chime sounds if the differential
fluid temperature exceeds 150°C
(300°F). Driving aggressively or
at high speeds can ...
Front Display
The front display is located in the instrument panel in the center of the
speedometer and has four bars to provide distance and system information.
The following describes how the UFRPA front ...
Memory Features
On vehicles with the memory
package, memory buttons 1 and 2
on the driver door are used to save
and recall memory settings for the
driver seat cushion and seatback,
outside mirrors, and th ...