Things You'll Need
Instructions
Start your "Pokemon HeartGold" or "Pokemon SoulSilver" game on your Nintendo DS.
Choose "Connect to PokeWalker" in the main menu.
Place your PokeWalker two inches away from your Nintendo DS. Ensure that the infrared portions on both devices are facing each other.
Choose "Connect" on your PokeWalker main menu screen, then press the "Circle" button. Wait until a connection is established.
Hold the "Down," "X" and "L" buttons on your Nintendo DS for a few seconds until the PokeWalker resets to its original settings.