Using this Rally Innovations rally light bar is easy. First, make sure you have the right driving lights (sold separately). You can mount up to 4 lights on the bar according to your needs. Then, use the simple bolt - on installation method to attach the light bar to your Subaru Outback, Legacy, or Baja. When using it, always ensure the lights are securely fastened. As for maintenance, regularly check the light bar for any signs of rust, even though the powder - coated finish helps prevent it. If you notice any scratches on the coating, touch it up to keep the protection intact. Also, make sure the bolts are tightened periodically to avoid any rattling while driving.