Using this KEIN Central Floor Brace is easy. Just install it according to the standard installation steps provided. When driving, you'll immediately notice the improved handling and steering. For maintenance, regularly check the brace for any signs of damage or loose attachments. Keep it clean and dry to prevent rust. If you live in a humid area or near the sea, pay extra attention to the zinc - plated coating. If you notice any rust, contact our customer service. Remember, this product comes with a 2 - year warranty, so enjoy a worry - free driving experience.