Driving on GradesNotice: Do not tow on steep continuous gradesexceeding 6 miles (9.6 km). Extended, higherthan normal engine and transmission temperaturesmay result and damage the vehicle. Frequentstops are very important to allow the engine andtransmission to cool.Reduce speed and shift to a lower gear before startingdown a long or steep downgrade. If the transmission isnot shifted down, the brakes might have to be used somuch that they would get hot and no longer work well.On a long uphill grade, shift down and reduce thevehicle’s speed to around 45 mph (70 km/h) to reducethe possibility of the engine and the transmissionoverheating. If the engine does overheat, see EngineOverheating on page 6-27.Parking on Hills{ WARNING: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 thetrailer wheels.3. When the wheel chocks are in place, release thebrake pedal until the chocks absorb the load.4. Reapply the brake pedal. Then apply the parkingbrake and shift the transmission into P (Park).5. Release the brake pedal.5-31
