Do not shut down the engine or unplug the USB during the update.
To perform the update, you will need a standard USB flash drive. pioneer avh p3450dvd firmware update
Mark pulled over onto the gravel shoulder, the wipers slapping frantically. He forced a reset by jabbing a paperclip into the tiny recessed button, but he knew the truth. The operating system was corrupted. He needed a clean slate. Do not shut down the engine or unplug