2013 Buick LaCrosse Owner Manual - Page 256

9-54 Driving and Operating 4. Reapply the brake pedal. Then apply the parking brake and shift into P (Park). 5. Release the brake pedal. 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. Parking on Hills { WARNING Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move. People can be injured, and both the vehicle and the trailer can be damaged. When possible, always park the rig on a flat surface. If parking the rig on a hill: 1. Press the brake pedal, but do not shift into P (Park) yet. Turn the wheels into the curb if facing downhill or into traffic if facing uphill. 2. Have someone place chocks under the trailer wheels. 3. When the wheel chocks are in place, release the brake pedal until the chocks absorb the load. Leaving After Parking on a Hill 1. Apply and hold the brake pedal while you: ... Start the engine. Shift into a gear. Release the parking brake. Engine Cooling When Trailer Towing The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating on page 10‑21. 2. Let up on the brake pedal. 3. Drive slowly until the trailer is clear of the chocks. 4. Stop and have someone pick up and store the chocks. Trailer Towing (Except eAssist) Before pulling a trailer, there are three important considerations that have to do with weight: ... Maintenance When Trailer Towing The vehicle needs service more often when pulling a trailer. See the Maintenance Schedule on page 11‑2. Things that are especially important in trailer operation are automatic The weight of the trailer. The weight of the trailer tongue. The total weight on your vehicle's tires.