If you are still experiencing issues after the update, I can help you with: (codecs) for USB playback How to bypass the parking brake for video-in-motion Where to find discontinued firmware files Let me know which of these you'd like to explore. Support | Pioneer Electronics
: Extract the downloaded ZIP file and copy the firmware file (often ending in or similar) directly to the root (top) folder of the USB drive. Do not put it inside another folder. 3. Perform the Update How to update your Pioneer NEX radios software pioneer avh p3450dvd firmware update
Alternative key combination (if above fails): Turn unit off. Press and hold simultaneously, then press VOLUME KNOB once. If you are still experiencing issues after the