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.

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    Sedan or Coupe
    To lower one or both of the rear seatbacks: 1. Pull forward on the tab, on the outboard side of the seatback, to unlock the seatback. 2. Fold the seatback down. This allows access to the tr ...

    Trunk Lock Release
    Trunk Lock Release The remote trunk release button is on the driver door, inside the storage compartment under the armrest. Vehicles with an automatic transmission, the shift lever must ...

    Front Seats
    The vehicle's front seats have adjustable head restraints in the outboard seating positions. The height of the head restraint can be adjusted. To raise or lower the head restraint, press the ...