The Fluffy™ brush bar of your Dyson V12™ is designed for easy cleaning and maintenance. When it accumulates dirt and debris, wash it to retain optimal performance: 1. Push the end cap up fully and remove the brush bar. 2. Remove the end cap, but don't wash it. 3. Wash brush bar under water and gently rub to remove lint or dirt. 4. Gently squeeze the bar to remove excess water, then leave it standing to dry. 5. Use a dry cloth to clean the head and the laser. 6. Refit when completely dry. For mor