Using this Rally Innovations light plate is easy. First, make sure you have the driving lights you want to install (since they're sold separately). Then, simply use the bolt - on method to attach the light plate to your Subaru WRX or STI from 2015 - 2021. When it comes to choosing driving lights, pick ones that are compatible with this light plate for the best results. As for maintenance, keep it clean by regularly wiping it down with a soft cloth. If you notice any signs of abrasion on the black powder - coated finish, you can touch it up to prevent further damage. Avoid using harsh chemicals when cleaning as they might damage the coating.