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:

    Lower Anchors
    Lower Anchors Lower anchors (A) are metal bars built into the vehicle. There are two lower anchors for each LATCH seating position that will accommodate a child restraint with lower attachments (B) ...

    Place a Call Using a Stored Number
    1. Push . System responds: “OnStar ready.” 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” Verify Minutes and Expiration Push and say “minutes” t ...

    Different Size Tires and Wheels
    If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, a ...