How do I assign channels to the numbers on my radio in my Audi?

I want to be able to press 1, and listen to radio 1, press 2 and listen to classic fm, etc

How do I assign chosen frequencies to numbers?

This is my radio: http://www.ibiblio.org/tkan/audi/radios/鈥?/a>How do I assign channels to the numbers on my radio in my Audi?Set the station you want on the radio and press and hold 1 for 5 seconds or until you hear a beep. repeat process for 2, 3 , 4 etc. Good luck