fix my vdo cdr 500 ?

Is it a Ford radio Chris ? If so here's how....

Entering a Ford Radio Code

Keep pressing button 1 until the first digit of the code is displayed,
then button 2 for the second digit,
then button 3 for the third digit,
then button 4 for the fourth digit,
then press button 5 and hold for a few seconds to enter and store the code.

Bigh
February 2010