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:
Monitor (if equipped)
To clean the audio/navigation monitor,
wipe it with a silicone cloth or with a soft
cloth. If the monitor is extremely dirty,
clean it with a soft cloth moistened with
neutral detergent then c ...
Interior Air Quality System (IAQS)
A multifilter helps reduce gases and particles
in the incoming air, thereby reducing the levels
of odors and contaminants entering the vehicle.
The air quality sensor detects increased
levels o ...
Turbo models
...