Using the KEIN Central Floor Brace is easy. First, make sure your car is parked on a flat surface and the engine is off. Then, simply install the brace according to the included instructions. When driving, you'll notice improved handling right away. As for maintenance, keep it clean by regularly washing it with mild soap and water. Avoid using abrasive cleaners that could damage the powder - coated finish. If you notice any signs of wear or damage, contact our customer service for advice. Remember, this product has a 2 - year warranty, so you're covered for any manufacturing defects.