Using the TACX Flux 2 Smart Trainer is easy. First, make sure it's on a flat and stable surface. Connect it to your cycling software via the appropriate connection method. Then, hop on your bike, adjust the seat and handlebars to your comfort, and start pedaling. You can choose different training programs or race in virtual worlds. When using it, keep an eye on the power output and adjust your effort according to your training goals. As for maintenance, regularly clean the trainer to remove dust and dirt. Check the resistance unit and flywheel for any signs of wear or damage. If you notice any issues, contact the manufacturer for support. Also, make sure to store the trainer in a dry place when not in use.