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 wiper/washer
    Move the lever forward to start the tailgate washer. 1 Intermittent wiping 2 Normal (continuous) wiping NOTE The rear wiper is equipped with cut-off function, which means that it will not oper ...

    Seat belt checks
    Note: If the vehicle is parked on an incline, the seat belt mechanism may lock. This is not a fault and the belt should be gently eased out from the upper anchorage. The seat belts should be inspe ...

    Selection of manual mode
    With the vehicle either moving or stationary, move the select lever from the “D” position to the manual gate then move it to the “+” end or “−” end of the manual gate to ...