HPR4736: How to replace the battery in a car key fob
Hosted by Ken Fallon on 2026-09-28 01:00:00 Download or Listen
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Replacing battery
Remove the emergency key
Pry open the fob around the seam with a blunt knife or similar
Note the polarity of the battery, ie which way up the battery is.
Replace the battery and close.
Emergency usage
Use the emergency key to enter the car.
Hold the key fob to the Start/Stop button
Press the Start/Stop button
Links
- https://en.wikipedia.org/wiki/Nissan_Micra#Fifth_generation_(K14;_2016)
- https://en.wikipedia.org/wiki/Button_cell
- https://en.wikipedia.org/wiki/Near-field_communication
- https://www.youtube.com/watch?v=IBP5EEm1oSI
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