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 and snap together.
1Thumbnail slot
2Battery
3Fob serial number
Figure 1. Fob Battery