How do you clear a code 4 on 06 Honda rancher 400?

To clear a code 4 on a 2006 Honda Rancher 400, first, turn off the ignition and then turn the key to the "ON" position without starting the engine. Press and hold the "Select" button on the handlebar while simultaneously pressing the "Reset" button until the display shows "d" for diagnostic mode. Then, release both buttons, and the code should clear. If the code persists, it may indicate a recurring issue that needs to be addressed.