Using this sign is a breeze. First, find a suitable location to mount it, like near the entrance of the service area. Then, use the provided mounting hardware to attach the sign to the wall. Connect the power supply and the 25 - foot extension cable as needed. Once it's plugged in, the LED lights will illuminate, clearly showing the message. As for maintenance, keep the sign clean by gently wiping it with a soft, dry cloth. Avoid using abrasive cleaners or harsh chemicals as they might damage the finish. If you want to add some extra attention - getting effect, you can consider using the additional flash module. Remember, the LED lights have a long lifespan of up to 50,000 hours, but if you notice any issues, check the power connection first.