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 on page 9‑112. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

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    General Information
    This maintenance section applies to vehicles with a gasoline engine. For diesel engine vehicles, see the maintenance schedule section in the Duramax Diesel Supplement. Your vehicle is an important in ...

    Cargo Management System
    This vehicle has a cargo management system located in the rear. To remove the cargo management cover: 1. Open the cover. It remains open when lifted. 2. Pull the cover up making sure to unhook th ...

    Fuel Economy Mode
    Vehicles with a 2.4L engine have a Fuel Economy Mode. When engaged, fuel economy mode can improve the vehicle's fuel economy Press the “eco” (economy) button by the shift lever to turn th ...