QA Questions › Category: Head Unit Question › How do I turn the radio off? 0 Vote Up Vote Down Mark Costa asked 4 years ago My RCD330 plus Noname works great. How do turn the FM Radio OFF? (pushing the power button does nothing) 1 Answers 0 Vote Up Vote Down Ddren Staff answered 4 years ago Hello, is this a problem that happens every time? Do you have other adapters installed on the ODB port.