If it's the new Bauer lock, I'm thinking I had to hold down the 3-4 and Lock button at the same time. It beeps 2 or 3 times then you enter your desired 4 digit code and press lock again.
bauerproducts.com. They have some nice videos online that will explain the features and also the how to reprogram. That is, if you have the Bauer locks on your unit.