You can get it in the Printing Room (far right middle in the vents). But you only need to know it, and it is one word fuzzybunny.
the password is fuzzybunny and press enter then type in launch rabot not robot raaaabot with an a.
That is not part of the 24 Carrot Island quest.
you type the password: fuzzybunny in the computer in Dr. Hare's room. you need the rabbot ears to get in that room.
fuzzybunny (no space)
The flying robot guard disappears for good when you cut the wires in the Freezer Room.
Use you tube to figure it out
You go to the printer room and get the system password.
The first password is: fuzzybunny and the seconded password is on a piece of paper next to the computer on 24 Carrot Island.
Follow the freed worker up the rope to the outside and get your medallion from the mayor.
You just type the password on the keyboard to enter it.
If you're talking about on 24 Carrot Island, then the password is fuzzybunny and the command is launch rabbot
you use the joystick to crash the rabbot in to the asteroids.