Garmin Edge 520 Speed Sensor Battery Replacement

Replacing the heart rate monitor battery.
Garmin edge 520 speed sensor battery replacement. Replacing the heart rate monitor battery. Updating the software. Speed sensor and cadence sensor specifications. The led flashes red and green for a few seconds after battery replacement.
Replacing the speed sensor or cadence sensor battery the led flashes red to indicate a low battery level after two revolutions. Replacing the speed sensor or cadence sensor battery. Get help garmin support center. No search has been performed.
Locate the circular battery cover on the back of the sensor. Get help garmin support center. Battery type user replaceable cr2032 3 v battery life approximately 12 months 1 hour per day operating temperature range from 20º to 60ºc from 4º to 140ºf wireless frequency protocol 2 4 ghz ant wireless communications protocol water rating. The led flashes red to indicate a low battery level after two revolutions.
Replacing the speed sensor or cadence sensor battery. Caring for the heart rate monitor. Edge 520 owner s manual. The led flashes red and green for a few seconds after.
Replacing the speed sensor or cadence sensor battery. When the led flashes green and then stops flashing the device is active and ready to send data. Improving gps satellite reception. My device is in the wrong language.
Replacing the speed sensor or cadence sensor battery.