Using this light bar is easy. First, make sure you have all the necessary tools. Then, simply bolt the light bar onto your car following the provided instructions. You can mount up to 4 driving lights on it to improve visibility during your drives. When it comes to driving lights, note that they are sold separately. For maintenance, regularly check the bolts to ensure they are tight. Clean the light bar with a mild soap and water solution to keep the textured black powder - coated finish looking good and prevent rust. Avoid using harsh chemicals as they may damage the coating. If you notice any signs of damage or rust, address it promptly to keep the light bar in top condition.