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 iPhone® or Android™-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:

    Conditions and operation of the front passenger occupantclassification system
    ■ Adult*1 ■ Child*3 or child restraint system*4 ■ Unoccupied ■ There is a malfunction in the system *1: The system judges a person of adult size as an adult. When a ...

    Installing a booster seat
    - Child restraint systems and seatbelts can become hot in a vehicle that has been closed up in sunny weather; they could burn a small child. Check the child restraint system before you p ...

    Using the A/C
    Air conditioning places an extra load on the engine. Watch the engine coolant temperature gauge. If it moves near the red zone, turn off the A/C until the gauge reading returns to normal. 1. ...