code 4017 You must hold at the end to store your code. IF YOU DONT HAVE ¬ KEY THEN PUSH THUMBWHEEL IN AND SOME HAVE {A¬} KEY Turn on the radio and the display will show 'CODE' Use the steering controls for code entry. Press the [ ¬] button then rotate the thumb wheel for the correct first digit Press the [ ¬] button then rotate the thumb wheel for the correct second digit Press the [ ¬] button then rotate the thumb wheel for the correct third digit Press the [ ¬] button then rotate the thumb wheel for the correct fourth digit If the correct code is now shown on screen, press and hold the [ ¬]