Mazda CX-7 Key Fob Battery Remote Replacement DIY Years 2007-2010

The ease that keyless entry remotes offer cannot be overrated. For starters, they ensure your vehicle locks and unlocks automatically without the need for a manual key entry (depending on your distance level).

However, at one point, the key fob battery will stop working. Usually, this means it’s run out of juice and needs a replacement. Luckily, that’s what we’re here for!

Here we will show you the easiest steps for your Mazda CX7 key fob battery replacement You can do this at home or anywhere else as long as you have the necessary materials to replace battery.

With info on the battery type, the price, the tools you need, and a step-by-step video tutorial, we’ve got you covered.

Follow along to discover how to replace your key fob battery like a pro!

Looking for a different Mazda key fob?

CX-7Flip2007, 2008, 2009, 2010CR1620Check on Amazon

How to Replace the Mazda CX-7 2007, 2008, 2009, 2010 Flip Key Fob Battery

Mazda CX7 key fob battery replacement

One thing about the CR1620 battery inside this key fob is that it can be a bit tricky to replace it. Luckily, we’ve made it simple for you. Scroll down to see a full video tutorial or keep reading for a step-by-step guide on your Mazda Cx7 key fob battery replacement.

The tools you will need:
• 1x CR1620 battery
• Small flat-head screwdriver
• Precision screwdriver (3.0mm/PH0 or smaller)
• Pen, pencil, toothpick, or another thin tool

Buy Small Screwdriver Set on Amazon

Final Image Mazda CX-7 Flip Key

How to change the battery of Mazda CX-7 Flip Key Fob

Total Time: 4 minutes

1. Press button, release key

Mazda CX-7 Flip Key Press button, release key

The first thing is to press the metal button on the front of your remote key fob to release the metal key.

2. Find slot inside key compartment

Mazda CX-7 Flip Key Find slot inside key compartment

Next, look inside the compartment where the metal key was housed and locate the slot. Can you see that? Good.

3. Press slot, separate plastic

Mazda CX-7 Flip Key Press slot, separate plastic

Holding the top of the remote key fob (where the metal button is) with your thumb, use your fingers or a small flat-head screwdriver to push up against the slot. This will slightly separate the top piece of plastic from the rest of the key fob.

4. Use screwdriver to separate key fob, reveal battery

Mazda CX-7 Flip Key Use screwdriver to separate key fob, reveal battery

Now that you have created some separation, look to the bottom of the key fob where the keyring attaches. Insert your flat-head screwdriver into the opening and twist, pushing the two pieces further apart. You should now be able to fully separate the two halves with your fingers, exposing the battery.

5. Remove battery with tool

Mazda CX-7 Flip Key Remove battery with tool

Next, take your precision screwdriver, pen, or another thin tool. Holding the key fob with the key facing down, insert your tool into the bottom-right corner of the indentation that houses the battery (locate the small black arrow pointing towards it). Use a prying and rocking motion to pull the battery up with your tool until the battery pops out. Now you can change your CR1620 battery.

6. Insert new CR1620 battery with positive down

Mazda CX-7 Flip Key Insert new CR1620 battery with positive down

Time to replace your Mazda key fob battery. Slide in the new battery with the positive side facing down into the compartment. Start with the top side of the battery, getting that into place before pushing on the bottom of the battery to ensure it is housed firmly.

7. Reconnect key fob halves, insert metal key

Mazda CX-7 Flip Key Reconnect key fob halves, insert metal key

The last thing is to reconnect the two pieces of the key fob (being careful that the circuit board stays in place) and flip your metal key back into the slot.

That’s it, your Mazda CX 7 key fob has a brand-new battery and you replaced it all by yourself!

Open or unlock and lock your vehicle door or press any buttons to test the functionality of the key fob. Now go ahead and continue enjoying your keyless entry system.

Mazda CX-7 Flip Key Fob Battery Replacement (2007 - 2010)

This is the battery for this CX-7 key fob:

Frequently Asked Questions

Can I use a CR2032 battery in the Mazda key fob?

Yes, the CR2032 battery can be used to replace key fobs in a Mazda 2020 CX-3.

How do I program a key fob after replacing the battery?

To program your key fob, the first thing is to replace the batteries in the key remote. Scroll up for the helpful DIY steps on how to do that. Next, get inside your car and turn on the ignition. Done?

Now press the lock button on your remote key fob. Wait until you hear a Lock sound. Lastly, turn the ignition off and step out of the car to test the result. Voila, your Mazda cx key fob has been reprogrammed successfully.

Note that not all key fob needs programming after battery replacement.

What battery does a 2009 Mazda cx3 remote key use?

The battery type for most 2009 Mazda models is the CR2025 battery. However, this may vary depending on the Mazda models. To have your battery replaced, follow the guide above.

Bottom Line

In just 5 minutes, you can perform a Mazda cx7 key fob battery replacement with ease. Next time you notice your key fobs are malfunctioning, refer to the guide in the blog and apply it for a quick batteries replacement.

Note that you can get your battery on the Amazon store at an affordable price. The process to order is super easy. Simply click on the link, make your selection, add to your cart, checkout, and buy.