2008 Lincoln Navigator Owner Guide 2nd Printing (Spanish) - Page 627

Tires, Wheels and Loading 2. To reinstall the cover, insert the four plastic tabs on top of the cover into the corresponding slots, as shown in the illustration and push the cover up into the bumper trim. 3. Hold the cover against the bumper trim and reinstall the two 1⁄4-turn fasteners by turning them clockwise. Preparing to tow Use the proper equipment for towing a trailer and make sure it is properly attached to your vehicle. See your authorized dealer or a reliable trailer dealer if you require assistance. Hitches Do not use hitches that clamp onto the vehicle bumper. Use a load carrying hitch. You must distribute the load in your trailer so that 10%-15% of the total weight of the trailer is on the tongue. The trailer hitch on this vehicle is part of the vehicle rear crash safety structure. Do not remove the trailer hitch. Failure to follow this warning could compromise vehicle crash structure and increase the risk of injury in a rear end collision. Weight distributing hitch When hooking up a trailer using a load equalizing hitch, always use the following procedure: 1. Park the unloaded vehicle on a level surface. With the ignition in the ON position and all doors closed, allow the vehicle to stand (without passengers) for several minutes so that it can level. 2. Turn the air suspension (if equipped) control to OFF. 3. Measure the height of a reference point on the front and rear bumpers at the center of the vehicle. 4. Attach the trailer to the vehicle and adjust the hitch equalizers so that the front bumper height is within a 1⁄2" (13 mm) of the reference point. After proper adjustment, the rear bumper should be no higher than in Step 3. 231 2008 Navigator (nav) Owners Guide (post-2002-fmt) USA (fus)