HPR4736: How to replace the battery in a car key fob

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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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