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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    Leaving Your Vehicle With theEngine Running
    CAUTION: It can be dangerous to leave your vehicle with the engine running. Your vehicle could move suddenly if the shift lever is not fully in PARK (P) with the parking brake firmly set. And, ...

    Programmable Automatic Door Locks
    Your vehicle is programmed so that, when the doors are closed, the ignition is on, and the shift lever is moved out of P (Park), all the doors will lock. The doors will unlock every time you sto ...

    Folding the Seatback
    Either side of the seatback can be folded down for more cargo space. Fold a seatback only when the vehicle is not moving. Notice: Folding a rear seat with the safety belts still fastened may ...