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:

    Heated seats (if equipped)
    WARNING: Persons who are unable to feel pain to the skin because of advanced age, chronic illness, diabetes, spinal cord injury, medication, alcohol use, exhaustion, or other physical conditions, ...

    Towing Requirements – Trailer Brakes
    − Do not interconnect the hydraulic brake system or vacuum system of your vehicle with that of the trailer. This could cause inadequate braking and possible personal injury. − An ele ...

    Checking and replacing fuses
    Replacing a Fusible Link A fusible link will melt if the electrical circuits from the battery are ever overloaded, thus preventing damage to the entire wiring harness. (This could be caused ...