Replace Key Fob Batteries

How to Open Your 2014 Mazda CX-7 Key Fob and Change Battery

How to Open Your 2014 Mazda CX-7 Key Fob and Change Battery

If your Mazda keyless entry remote is no longer unlock doors correct, the cell battery surely needs to be replaced. In this case, we are going to tell you how to disassembly your key fob and change a discharged battery DIY. If you decide to do it at home near CX-7, follow our instruction, but first make sure you have everything you need before you start.

What type battery key fob use

Prior to open keyless entry remote be sure that you have all required tools and materials: flat head screwdriver and CR2032 batteries.
  • flat head screwdriver
  • 2xCR2032 batteries

Step by step instruction

Inside of your keyless entry remote installed tiny coin cell battery. Remove any internal key before you try to pry apart the remote key fob.

Accurately try to open your key with hands or flat head screwdriver. Remove CR2032 batteries with flat head screwdriver.

Now it's time to install new batteries inside fob’s shell. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.

After the new batteries installed, verify keyless entry remote by pressing buttons. If all functions works, assemble your keyless entry fob's body in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your shell two halves together and put it together by hands from top to bottom. If your key case firmly closed, we done. If not, repeat the last step.

Video of key fob opening

Mazda CX5, CX3, 3, 6, CX7, CX9 key fob battery replacement in 6 steps

Still not working? Buy new one

FAQ

Keyless entry remote of Mazda CX-7 require 2xCR2032 batteries. Price for CR2032 batteries are under $6 build upon the type, brand and size packaging you buy. You can take old battery to the store, with you to find a proper replacement.

Keyless entry remote in most of cases do not need to be reprogrammed after battery change. If your remote key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can change battery in your 2014 Mazda CX-7 key yourself. Most hard part is to open keyless entry fob's case. It's pretty easy with our step by step guide.

The price to change the battery in key fob is in range from $30 to as high as $500 depending on the make and the service pricing.

You should change batteries inside key fob of Mazda CX-7 at least every three years. lifespan of battery vary on their amount of use, operating conditions and quality. Lithium cells usually will last longer.

These symptoms will alert you that it's perhaps time to change battery in your 2014 Mazda CX-7: low key battery indicator on dashboard, key fob buttons not working, you didn't change battery more than 4 years and signal strength reduced.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Mazda Models:

Fob Compatibility:

  1. FCC ID: WKE-PZ170-02021
  2. Models: 2014-2015 Mazda CX-7