Using the Camco Curved Leveler Wheel Chock is easy. First, find the spot where you need to level your vehicle. Drive your vehicle onto the curved leveler gradually until you reach the desired height. Then, place the included chock with the non - slip rubber grippers at the right position to secure the leveler. When using, make sure your vehicle weight does not exceed 30,000 lb. Also, check the non - slip grippers regularly to ensure they are in good condition. To maintain the leveler, clean it with a mild detergent and water after each use. Store it in a dry place to prevent any damage to the honeycomb structure.