Using the Knaack Cart Armour CA - 02 is a breeze. First, unpack the paneling system. You can install it on a new cart or an existing one. It's super easy and should take you less than 15 minutes. Just follow the interlocking design and fit the 16g steel panels together. For the padlock, choose the one you like and put it in the recessed design to keep your cart secure. When you need to power something inside the cart, use the electrical pass - through with the grommet to run the cord safely. As for maintenance, the powder - coat finish helps protect the panels from corrosion. But it's a good idea to clean it regularly with a mild soap and water. Avoid using abrasive cleaners as they might damage the finish. Also, check the padlock and the electrical pass - through periodically to make sure they're working well. And remember, this product comes with a 3 - year warranty, so you can use it with confidence.