Using your Electrolux ErgoRapido brush roller is a breeze. First, make sure your vacuum cleaner is turned off and unplugged. Then, remove the old brush roller from your ErgoRapido. Just slide the new roller in place where the old one was. It should fit snugly. When using your vacuum, move it slowly over the floor to let the brush roller do its job well. As for maintenance, check the brush roller regularly for any hair or debris. Use a pair of scissors to carefully cut away any tangled hair. Keep the roller clean to ensure it works efficiently. And remember, if you ever have any issues, it's fully guaranteed. Enjoy a cleaner home with your new brush roller!