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:

    Customer Assistance For The Hearing Or Speech Impaired (TDD/TTY)
    To assist customers who have hearing difficulties, the manufacturer has installed special TDD (Telecommunication Devices for the Deaf) equipment at its customer center. Any hearing or speech imp ...

    Automatic door locks
    - All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h). - All doors unlock automatically when the ignition switch is placed in the OFF position. The automatic unlock func ...

    Isofix child seat positions
    Isofix child seat positions - IUF = Suitable for ISOFIX forward child restraint systems of universal category approved for use in the mass group. - IL = These ISOFIX child restraint systems are ...