How do you open a Cox motion sensor?

To open the sensor, unlock the case by inserting a small flathead screwdriver into the locking notch located at the bottom of the detector. Hold the base and slide the unit body down to remove it from the base. Remove the old batteries and dispose of them properly. Insert six new AA batteries.Click to see full answer. Beside this, how do you remove Cox motion sensor?Loosen the screw at the bottom of the sensor with a Phillips screwdriver. Insert a flathead screwdriver under the cover by the screw and twist to remove. Set the cover aside. Remove the old batteries and dispose of them properly.Beside above, do alarm sensors have batteries? The motion detector requires one CR123A 3 volt battery. This battery can be purchased at your local hardware, mass retailer or battery store. Some models may require two batteries. Beside this, how do I change the battery in my Cox motion sensor? Replacing Batteries in the Door and Window Sensor While pressing down, slide the cover to the side to remove the sensor cover. Remove battery from sensor. Insert the new battery, observing the correct polarity. Dispose of the old battery properly, as recommended by the battery manufacturer. Replace the sensor cover. How do you remove a wired motion sensor? Pull out the sensor and its magnet. Pull out both the sensor and its magnet from their respective holes. Disconnect the wire. At the sensor, disconnect the wire from the back of it. Pull out the wire. From the other end of the hole, pull out the wire. Complete the removal.