How to Open Your 2016 Mazda CX-5 Key Fob & Change Battery

How to Open Your 2016 Mazda CX-5 Key Fob & Change Battery

Key fob allow easy access to your car. When the key battery is weak you lose your keyless entry fob's ability to control remote functions. Below, we outlined how to disassembly your remote key fob and change your Mazda key battery.

What type battery key fob use

Changing battery in keyless entry remote require CR2025 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
  • flat head screwdriver
  • 1xCR2025 battery

Step by step instruction

Inside of your key fob installed small button cell battery. Move the key out of the way if it is in the keyless entry remote.

Accurately try to open your key fob with pry tools. Replace CR2025 battery with flat head screwdriver.

Get new battery and install it in fob’s shell. Battery must be placed with the same polarity as was an old. Your keyless entry remote will not work if you by mistake place battery wrong way.

When the new battery installed, verify key fob functionality by pressing buttons. If everything working properly, assemble your fob’s shell in reverse order.

The last thing to do is put your cover back on fob. Accurately try to put the pieces in place by hands from top to bottom. Check your key case for gaps. If it is not tightly closed try to repeat last step.

How to replace the battery video instruction

Mazda 3, CX-5 key fob battery replacement

Still not working? Buy new one


Key fob of Mazda CX-5 use 1xCR2025 batteries. Price for CR2025 batteries are under $4-6 depending on the type, size packaging and brand you buy. You can take old battery to the store, to find a proper replacement.

Usually, after remote key fob battery replace, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Replacing your key fob battery is simple to do in 2016 Mazda CX-5. Most of car manufacturers think of the clients and make a special hole for remote key fob disassembly.

The cost to replace the battery in key fob is from $30 to as high as $500 depending on the make and the service station.

You should change batteries inside remote key fob of Mazda CX-5 at least once in 3-4 years. lifespan of battery differ on usage time, operating conditions and quality. Lithium cells normally will last longer.

These symptoms will alert you that it's possible time to replace battery in your 2016 Mazda CX-5: key fob buttons not working, signal strength reduced, low key battery indicator on dashboard and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  1. FCC ID: WAZSKE13D02
  2. Models: 2016-2018 Mazda CX-5