mozza code 9729 or 9573 Code Entry as Follows: Switch Radio On - Display Shows CODE with " - - - - " flashing Press preset " 1 " repeatedly for 1st Digit Press preset " 2 " repeatedly for 2nd Digit Press preset " 3 " repeatedly for 3rd Digit Press preset " 4 " repeatedly for 4th Digit If the correct code number is now shown Press preset " 5 " to Enter