You need the serial number for the radio. If you pull the radio out a few inches from the dashboard there's a white label stuck onto the outer casing which has it.

Or you can try pressing buttons #1 and #6 together as you turn the radio on. Sometimes #2 and #5 works, or #2 and #6.

Serial number will be in the form of an "M" or a "V" followed by a six digit number.

Once you have the serial number then you can see about obtaining the keycode:

Important information for anyone who is looking for FORD CAR RADIO KEYCODES

1. For radios whose Serial Number begins with an "M", followed by a six digit number, you can use the following link to work out what your Keycode should be:

www.pumapeople.com/decode.php

2. For radios whose Serial Number begins with a "V", followed by a six digit number, I'm afraid there is no Keycode generator available for you to work out the code yourself.

You will either need to visit your local Ford Main Dealer, or there are sellers on Ebay who claim they can supply the Keycodes for "V" Serial Numbers, for a fee. A Ford Main Dealer will want about £30!