Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

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    Hood
    To open the hood: 1. Pull up on the hood release handle. It is located inside the vehicle to the left of the steering column. 2. Go to the front of the vehicle and with hand palm side down, sl ...

    Receiving a Call
    When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle. • Press to answer the call. • Press to ignore a call. ...

    Gasoline Octane
    If the vehicle has the 3.9L V6 engine (VIN Code 1) or the 3.9L V6 engine (VIN Code M), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less tha ...