Introducing the newly expanded myGMC mobile app, redesigned with new capabilities to provide the ideal vehicle ownership experience. The app now includes the added benefit of connectivity for vehicles equipped with OnStar. Get the app to enjoy the full potential of your GMC.

    You’ll need your or username and password to login.

    Features available for GMC vehicles equipped with OnStar
    Remote Commands:
    - Remote start and stop (requires factory-installed remote start)
    - Remote door lock and unlock (requires power locks)
    - Remote horn and lights to help locate your GMC

    Advanced Diagnostics:
    - View fuel level and efficiency, oil life, tire pressure and odometer readings

    Check for Recall

    - Search and send destination to vehicle’s navigation system (if equipped)
    - Search and send destination to OnStar for Turn-By-Turn routing assistance

    Locate Vehicle*
    - Find your vehicle’s approximate location on a map

    Wi-Fi Hotspot support:
    - Toggle the Wi-Fi Hotspot ON or OFF
    - View and/or edit the SSID (network name) and password for the vehicle’s Wi-Fi hotspot
    - View current data plan and remaining or consumed data, or purchase more data

    OnStar AtYourService*
    - Provides Subscribers savings and offers for dining, retail and fuel along their route

    View important information about your OnStar account including:
    - OnStar account details
    - Available Hands-Free Calling minutes [CAN only]

    Features available for all GMC vehicles

    Interactive Owner Manual:
    - Quickly access the complete manual for your GMC [for 2011 model year vehicles and later]

    Parking Reminder:
    - Set a parking reminder with pin drop, take a photo, make a note, and set a timer

    Get Help:
    - OnStar Advisor
    - GMC Roadside Assistance

    Preferred Dealer
    - Locate and set a preferred dealer
    - Search for dealers by ZIP Code, proximity, or by City/State

    Schedule Service
    - Request service appointments at the dealer of your choice

    Roadside Assistance
    - Request help from GMC Roadside Assistance

    App Customization
    - Edit the app's home screen and configure myGMC to meet your needs

    Acceptance of OnStar terms of service are required. The application is free, but a smartphone with a data connection is required to use certain online features. An active OnStar account is required for some features; other features require paid service plan. Features vary by vehicle, location and conditions. For a list of supported vehicles, please visit

    *Features not available in Canada

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    Users review

    from 1.037 reviews



    Users comments

    Justin Snoke

    by Justin Snoke

    Jul 17, 2017  |  "OK"

    I don't have the key fob option. 2010 GMC Sierra 1500

    Harold Gosnell

    by Harold Gosnell

    Jul 08, 2017  |  "Awesome"

    The app. works great. Let's me control a lot of things. Keeps me informed.

    John Johnson

    by John Johnson

    Jul 05, 2017  |  "Poor"

    It's always refreshing and won't let me use it.

    Ryan Christensen

    by Ryan Christensen

    Jul 03, 2017  |  "Poor"

    With the latest update, which I wish hadn't done it automatically, is now missing the current vehicle status. It used to let me see my tire pressure, fuel level, and other data as far as averages for mileage. It is now forcing you to buy their monthly plan just to even use what was once before available with the basic plan. $24.95 isnt't exactly cheap just to have those options. I can understand the security aspect costing money but now its gonna cost just to see your vehicles daily use!??? Ridiculous!

    Peter Watkins

    by Peter Watkins

    Jun 29, 2017  |  "Poor"

    I used to be able to see my tire air pressure and gas mileage without onstar. Updated app removed this functionality. Lame

    Jim Hellriegel

    by Jim Hellriegel

    Jun 28, 2017  |  "Awesome"

    No complaints so far! Works as advertised and as a techie - phone control over my car is a killer feature, this app delivers!