Parking on Hills{ CAUTION:Parking the vehicle on a hill with the trailerattached can be dangerous. If something goeswrong, the rig could start to move. People can beinjured, and both the vehicle and the trailer can bedamaged. When possible, always park the rig on aflat 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 downhillor into traffic if facing uphill.2. Have someone place chocks under the trailerwheels.3. When the wheel chocks are in place, release theregular brakes until the chocks absorb the load.4. Reapply the brake pedal. Then apply the parkingbrake and shift into P (Park).5. Release the brake pedal.Leaving After Parking on a Hill1. Apply and hold the brake pedal while you:• Start the engine• Shift into a gear• Release the parking brake2. 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 thechocks.Maintenance When Trailer TowingThe vehicle needs service more often when pulling atrailer. See this manual’s Maintenance Scheduleor Index for more information. Things that are especiallyimportant in trailer operation are automatic transmissionfluid, engine oil, axle lubricant, belts, cooling systemand brake system. It is a good idea to inspectthese before and during the trip.Check periodically to see that all hitch nuts and boltsare tight.Engine Cooling When Trailer TowingThe cooling system may temporarily overheat duringsevere operating conditions. See Engine Overheating onpage 5-34.4-38