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:

    Door Locks (Sedan and Wagon)
    WARNING! Unlocked doors can be dangerous. - Passengers, especially children, can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open i ...

    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 ...

    Low-Beam Headlamps/Daytime Running Lamps (DRL), High-Beam Headlamps (Base)
    1. From the back side of the headlamp assembly, remove the top cap to replace the low-beam headlamp/DRL bulb. 2. From the back side of the headlamp assembly, remove the bottom cap to repl ...