Using the MODURA BathLux4 exhaust fan is easy. Just plug it into a power outlet and switch it on. It will start removing moisture and odors from your bathroom right away. For the LED light, you can use the included switch to turn it on or off. When it comes to maintenance, make sure to clean the fan blades regularly to keep it working efficiently. You can use a soft cloth to wipe off any dust. Also, check the power cord for any signs of damage. If you notice any issues, stop using the fan and contact customer service.