GMC Terrain: Onstar.com - Services for People with Disabilities - OnStar Additional Information - OnStar - GMC Terrain Owner's ManualGMC Terrain: Onstar.com

The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle Diagnostics. Click on the “My Account” tab on the home page.

    TTY Users
    OnStar has the ability to communicate to the deaf, hard&-ofhearing, or speech&-impaired customers while in the vehicle. The available dealer&-installed TTY system can provide in-vehicl ...

    OnStar Personal Identification Number (PIN)
    A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. T ...

    See also:

    Brake fluid level warning
    This light illuminates when the brake fluid level has dropped to near the “MIN” level of the brake fluid reservoir with the ignition switch in the “ON” position and with the parking br ...

    Programming the integrated garage door opener on the rear-view mirror
    Programming WARNING Only press the transmitter button on the integrated remote control if there are no persons or objects present within the sweep of the garage door. People could otherwise ...

    Hdc operation
    With HDC engaged, standard descent speed will not exceed 20km/h (12.4mph). While the green warning lamp is continuously illuminated, HDC target speed can be modified using the cruise control steer ...