Pavelchehoff your code 6188 you must hold at end to store code Code Entry as Follows: Switch Radio On - Display Shows " CODE " Press " " On The Stalk Control To Enter The Display Shows " 0000 " Rotate " Thumbwheel " For Correct Digit Press " " On The Stalk Control To Enter Rotate " Thumbwheel " For Correct Digit Press " " On The Stalk Control To Enter Rotate " Thumbwheel " For Correct Digit Press " " On The Stalk Control To Enter Rotate " Thumbwheel " For Correct Digit If the correct code number is now shown Press And Hold " " Until A Beep Is Heard