Ok, so it took only a month after I took delivery of my new A4 before I bought a Coke at McD's, stuck it in the cup holder, left it there for a few hrs, finished the Coke then threw the cup away.

This AM when I went to hit the "scan" button, I couldn't push it with the normal force. I realized that when I had my sticky sugar filled Coke, a few drops came off the cup and went into the buttons on the radio.

Question: How do I clean the sugar mess out of the radio? I was thinking of using either denatured alcolhol or some other type of contact cleaner that you can get at Radio Shack.

Thoughts?