Engine Cooling When Trailer Towing

The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating on page 10‑20.

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    Leaving After Parking on a Hill
    1. Apply and hold the brake pedal. 2. Start the engine. 3. Shift into a gear. 4. Release the parking brake. 5. Let up on the brake pedal. 6. Drive slowly until the trailer is clear of the chocks. ...

    Express Down Windows
    Windows that have the express&-down feature allow the windows to be lowered without holding the switch. Press the window switch fully and release it to activate the express&-down feature. ...

    Vehicle Overview
    GMC’s full-size van sells in fewer numbers than the similar Chevrolet Express but attracts a loyal clientele. Along with its full-size rivals from Dodge and Ford, the rear-drive truck-based van ...