how do i put code into radio?

Press preset button 1
(assuming "CODE" is showing in the screen)

Press "^" button repeatedly for the desired digit in place 1
Press preset button 1 again for position 2
Press "^" button repeatedly for the desired digit in place 2
Press preset button 1 again for postion 3
Press "^" button repeatedly for the desired digit in place 3
Press preset button 1 again for postion 4
Press "^" button repeatedly for the desired digit in place 4

Press preset button 1 for a final time to enter the code.

Good luck.

Phil.
August 2010