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:
Instrument Panel Illumination Control
The brightness of the instrument panel lights and steering wheel controls
can be adjusted.
(Instrument Panel Brightness): Move and hold the thumbwheel up or down
to brighten or dim the lights ...
Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either
unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85).
See Fuel E85 (85% Ethanol). For all other vehicles, u ...
If the Off Indicator Is Lit for an Adult-Size Occupant
If a person of adult-size is sitting in the front outboard passenger seat,
but the off indicator is lit, it could be because that person is not sitting
properly in the seat.
Use the following ...






