Garmin Edge 520 Speed Sensor Battery Replacement

Replacing the heart rate monitor battery.
Garmin edge 520 speed sensor battery replacement. Get help garmin support center. Speed sensor and cadence sensor specifications. Replacing the speed sensor or cadence sensor battery. Replacing the heart rate monitor battery.
Replacing the speed sensor or cadence sensor battery. My device is in the wrong language. Get help garmin support center. Updating the software.
Replacing the speed sensor or cadence sensor battery. Locate the circular battery cover on the back of the sensor. When the led flashes green and then stops flashing the device is active and ready to send data. 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.
No search has been performed. Improving gps satellite reception. 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. Replacing the speed sensor or cadence sensor battery. Replacing the speed sensor or cadence sensor battery. 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.