key code 6000cd?

serial number M023734 = 3466
if the serial is from the book.
then please remove the radio and get the serial off of that. for the right code.
Switch the radio on and the word CODE should appear in the display

Repeatedly press button 1 until the correct first digit of the code is displayed.
Repeatedly press button 2 until the correct second digit of the code is displayed.
Repeatedly press button 3 until the correct third digit of the code is displayed.
Repeatedly press button 4 until the correct fourth digit of the code is displayed.


Once the code has been correctly selected on the radio's display, press button 5 to enter

hay88
November 2010