Replacing the Battery
Replace the fob battery every year.
  1. See Figure 1. Slowly turn a thin blade in the thumbnail slot (1) on the side of the fob to separate the two halves.
  2. Remove the battery (2) and discard.
  3. Install a new battery (Panasonic 2032 or equivalent) with the positive side down.
  4. Align the two halves of the fob. Snap the halves together.
1Thumbnail slot
2Battery
3Fob serial number
Figure 1. Fob Battery