GMC 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. ...