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.

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    Exterior
    Painted black and trimmed in chrome, my Yukon Denali test vehicle looked more like its Escalade corporate cousin than a tough truck. The Yukon is probably the safest-looking of the three siblings, ...

    Fuel Used
    Press the trip/fuel button until FUEL USED displays. This display shows the number of liters (L) or gallons (gal) of fuel used since the last reset of this menu item. To reset the fuel used informatio ...

    Shutting the Engine Off After a Remote Start
    To shut off the engine: ○ Press until the parking lamps turn off. ○ Turn on the hazard warning flashers. ○ Insert the key and turn it to ON/ RUN and then back to LOCK/OFF. ...