Ford radio locked?
Try to avoid entering incorrect code repeatedly, you can risk blocking your radio permanently!
If the message LOCKED10/LOCK10 appears on the screen, it means that a wrong code has been entered 10 times. At this stage it can still be decoded, but the stereo only accepts 3 more codes before being permanently blocked. To reset this status, with the radio switched off, press and hold button 6 while turning it on.
If the message LOCKED13/LOCK13 appears on the display, it means that the wrong codes have been tried 13 times, a situation in which the ford's radio can no longer be decoded online, but only by an electronics specialist. If you are unable to reset the LOCKED message, you may need to have the radio professionally unlocked by a service center or a car audio specialist. This may involve disassembling the radio and accessing the internal code directly.