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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    Starting the Engine
    Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the engine when the vehicle is already moving, use N (Neutral) only. Notice: Do n ...

    Reading Lamps
    The reading lamps are located in the headliner. (Reading Lamps): Press the button near each lamp to turn it on or off. ...

    Overview
    Terraza, the newest addition to Buick's growing truck portfolio, is available with even more power, added safety systems and new entertainment features for 2006, making this premium crossover spor ...