Step-By-Step Guide to Changing the Battery in Your Mazda Key Fob

By Product Expert | Posted in Uncategorized on Thursday, May 16th, 2019 at 2:15 pm
Man and Woman in New Car with Key Giving Thumbs Up and Black Text Box and White How To Change the Mazda Key Fob Battery Text

How To Change and Replace the Mazda Key Fob Battery

Are you the proud owner of a brand-new 2019 Mazda CX-5? Is the Mazda key fob giving you some trouble? If the buttons are not working or the key indicator light does not flash when you start the vehicle, the battery in your Mazda key fob may need to be replaced. Learn how to change and replace the Mazda key fob battery with this quick step-by-step guide and how-to video series. Visit the Gwatney Mazda of Germantown inventory today to upgrade your day-to-day drive in a brand-new Mazda car or crossover!

READ MORE: How To Use Apple CarPlay and Android Auto in Your Mazda

How-To Guide to Changing the Battery in a Mazda Key Fob


  1. Press the Knob on the Back of the Key Fob to Remove the Auxiliary Key 
  2. Insert a Tape-Wrapped Flathead Screwdriver into the Opening 
  3. Turn in the Direction of the Arrow to Open the Cover 
  4. Slide the Screwdriver in the Direction of the Arrow 
  5. Twist the Screwdriver in the Direction of the Arrow to Remove the Cover 
  6. Remove the Battery Cap and then Remove the Battery 
  7. Insert the New Battery with the Positive Pole Up 
  8. Replace the Battery Cap and Close the Cover 
  9. Reinsert the Mazda Auxiliary Key 
Diagram of How To Insert a New Battery in the Mazda Key Fob

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