Using your K&N air filter is a breeze. First, open your vehicle's factory air box. Then, simply remove the old air filter and drop in the new K&N filter. Make sure it fits snugly in place and close the air box. When it comes to maintenance, you can clean and reuse this filter. Every so often, check it for dirt and debris. If it's dirty, use a K&N air filter cleaning kit. Just follow the instructions on the kit to wash the filter gently with the provided cleaner and then let it dry. Once dry, re - oil the filter as directed. Remember, this filter is designed to last the life of your vehicle, but proper maintenance is key. Avoid using harsh chemicals or cleaning methods that could damage the filter. And always refer to your vehicle's manual for any specific instructions related to your car model.