Reactivation for Subsequent Owners

Push speak to an Advisor as soon as and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle.

The Advisor will update vehicle records and will explain the OnStar service offers and options available.

    See also:

    Navigation
    OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the veh ...

    Automatic Dimming Rearview Mirror
    To adjust the inside rearview mirror, hold the rearview mirror in the center and move it to view the area behind the vehicle. The automatic dimming rearview mirror will automatically reduce the gla ...

    Under the Hood
    Like the regular all-wheel-drive Escalade and the Escalade ESV, the Escalade EXT uses a 6.0-liter V-8 that produces 345 horsepower and 380 pounds-feet of torque. The engine teams with a four-speed ...