Using the K - Tuned Crash Bar is easy. Just install it on your 2012 - 2015 Civic Si according to the included instructions. When you're driving, the bar will act as a shield for your oil pan, taking hits from any bumps or debris on the road. As for maintenance, check the crash bar regularly for any signs of damage, like cracks or loose parts. If you notice any issues, it might be time to replace it. When cleaning your car, don't forget to clean the crash bar too. Just use a mild soap and water to keep it in good condition. And always remember, this bar is there to protect your oil pan, so keep driving safely.