GMC Terrain: Diagnostics - OnStar Services - OnStar - GMC Terrain Owner's ManualGMC Terrain: Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push OnStar Additional Information, and an Advisor can run a check.

    OnStar Mobile App
    With an iPhoneВ® or Androidв„ў-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there is cell ...

    See also:

    When you do not tow a trailer
    - Remove the ball mount from the hitch receiver tube and insert the receiver cover onto the hitch receiver tube. - Place the dust cap over the four-pin connector of the hitch wire harness to ...

    Autounlock
    The autounlock feature will unlock all the doors when: • the ignition is in the on position, all the doors are closed, and the vehicle has been in motion at a speed greater than 12 mph (20 km/h) ...

    Reprogramming a single HomeLinkВ® button
    To reprogram a HomeLinkВ® Universal Transceiver button, complete the following. 1. Push and hold the desired HomeLinkВ® button. Do not release the button until step 4 has been completed. 2. Wh ...