Step by step
- Read the serial on the white label on the radio case – it looks like M123456.
- Type the 6 digits after the M into the calculator above.
- Enter the code: preset 1 sets the first digit, 2 the second, 3 the third, 4 the fourth; press or hold 5 to confirm.
M or V?
The first letter of the serial decides the calculator. M series codes are calculated with a formula; V series codes are looked up in our database. If your serial starts with another letter, see the table on the Ford page.