GMC Terrain: Maintenance When Trailer Towing - Driving Characteristics and Towing Tips - Towing - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: Maintenance When Trailer Towing

The vehicle needs service more often when pulling a trailer. See this manual's Maintenance Schedule or Index for more information. Things that are especially important in trailer operation are automatic transmission fluid, engine oil, axle lubricant, belts, cooling system and brake system. Inspect these before and during the trip.

Check periodically to see that all hitch nuts and bolts are tight.

    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. ...

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

    See also:

    Tailgate
    The tailgate will lock when you lock the driver’s door with the key, the remote transmitter, the master door lock switch, or the lock tab on the driver’s door. To unlock the tailgate, tur ...

    Technical Information
    The diagrams in this section give you the dimensions and capacities of your vehicle and the locations of the identification numbers. It also includes information you should know about your v ...

    Using the A/C
    Air conditioning places an extra load on the engine. Watch the engine coolant temperature gauge. If it moves near the red zone, turn off the A/C until the gauge reading returns to normal. 1. ...