GMC Terrain: Transferring Service - OnStar Additional Information - OnStar - GMC Terrain Owner's ManualGMC Terrain: Transferring Service

Push eligibility information. The Advisor can assist in canceling or removing account to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, OnStar may send a voice message to the vehicle, requesting updated account information.

    Reactivation for Subsequent Owners
    Push 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 ...

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    Receiving a call
    When you hear the ring tone, push the button on the steering wheel. Once the call has ended, push the button on the steering wheel. NOTE: If you do not wish to take the call when you he ...

    Overview of transmission positions
    Selector lever P Park position with selector lever lock R Reverse gear N Neutral D Drive ...

    To engage the service mode
    Turn the ignition switch to the “ON” position, depress and hold the brake pedal, then press and release the “” button on the remote control transmitter three times. The system will pau ...