Tony
if that serial is off of the radio and not out of a book then code 7176 becareful you only get 10 try's
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.
if not post all numbers and letters and model off of the radio
hay88, April 2011