[maccy123b]

how do i enter a radio code on jeep cherokee. have the code but it has a 6 on it and numbers only go up to 5 on head unit

 

[ImperialCrown]

Welcome to Allpar. What brand is the radio (should have the make and model on the faceplate) and what year Cherokee?
I don't believe that factory radios needed an 'unlocking' code.