To use this D2 Racing RS Coilover Kit on your 1995 - 1998 Nissan 240sx, first make sure your vehicle is parked on a flat and stable surface. Follow the installation guide carefully to mount the coilover kit correctly. Adjust the height and preload according to your driving needs. When adjusting the 36 - way dampening and rebound settings, start with a moderate setting and fine - tune as you test drive. As for maintenance, regularly check the mounts for any signs of wear or damage. Keep the Teflon - coated threads clean to prevent rust. If you notice any issues or strange noises, have the kit serviced as soon as possible. Remember, this kit is rebuildable and serviceable in the US, so don't hesitate to seek professional help when needed.