To reset your motion sensor, just follow the simple steps below.
1. Take off the cover of the motion sensor
2. Remove the battery
3. Use a small object (like a pencil eraser, or the end of a cotton swab) and push down on the reset button (small silver button in a triangular opening next to the battery)
4. While pushing down on the reset button, re-insert the battery
a.) The light on the sensor will be orange.
5. Put the cover back on
a.) The light on the sensor should be blue and blink 3 times to indicate the sensor is ready to pair.
6. Follow the on-screen, step-by-step instructions to pair, name, and test the sensor