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How do I change my Mazda CX 5 key fob’s battery?

I think I’m missing something here. I have been trying to open my key fob for my Mazda CX 5 for a while now, and the thing doesn’t seem to open at all. How do you change the batteries in a Mazda fob?

avatar
Patrick Price · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
These new fobs can be a bit like puzzle boxes—and no two are the same. For the
Mazda CX 5
, you’ll want to follow the steps listed below in order to change the battery to a Mazda CX 5 fob battery:
  • Pull the small black release switch on the bottom of the fob and take out the metal auxiliary key
  • Your next step is to carefully remove both of the battery covers.
  • Once the covers are off, you should be able to easily see and remove the old battery.
  • Install a CR2025 battery new battery
  • Replace the battery covers and you should be good to go!
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