By turning the key you will be separating the upper and lower lock pins.
How to rekey honda door locks.
Insert this key to the lock then turn it as if unlocking the door.
Also called pinning kits rekeying kits are available at most hardware stores and home centers as well as online.
Kits are available for most lock brands and come equipped to do multiple locks but frequently work for only locks of the same brand 1 x research source some kits include only lock pins while others include special tools cylinder follower ring remover step 2 remove the exterior doorknob or lock face.
Step 1 get a rekeying kit.