Using your K&N replacement panel air filter is easy. First, open your vehicle's factory air box. Then, take out the old air filter and put in the K&N filter. Make sure it fits snugly. When it comes to maintenance, every 50,000 - 100,000 miles (depending on your driving conditions), you can wash the filter. Use a K&N cleaning kit and follow the instructions on the kit. After washing, let it dry completely and re - oil it before putting it back in the air box. Keep in mind that this filter is designed to last for the life of your vehicle, but proper maintenance is key. Don't use harsh chemicals or rough brushes when cleaning, as this can damage the filter media.