2020 Mazda CX-3 Key Fob Battery Replacement: A Quick Guide

Is your 2020 Mazda CX-3 key fob acting up? Before you schedule a costly trip to the dealership, it might just be a dead battery. Many car owners don’t realize that their key fob battery is just like any other battery – it has a lifespan and eventually needs replacing. This guide will walk you through the simple steps of changing your 2020 Mazda CX-3 key fob battery, saving you time and money.

Signs Your Mazda CX-3 Key Fob Battery Needs Replacement

Here are a few telltale signs that your key fob battery is running low:

• Decreased Range: You find yourself having to stand closer to your car to lock or unlock it.
• Intermittent Functionality: The key fob works sometimes, but not others.
• Warning Lights and Messages: Your Mazda CX-3’s dashboard may display a “Key Fob Battery Low” warning.
• Slow Response: The car takes longer than usual to respond to key fob commands.

What You’ll Need to Replace the Battery

Thankfully, replacing the battery in your 2020 Mazda CX-3 key fob is a breeze. Here’s what you’ll need:

• A new CR2032 battery: This is the most common type of battery used in car key fobs. You can find them at most electronics and automotive stores.
• A small flathead screwdriver: This will be used to pry open the key fob casing.

Step-by-Step 2020 Mazda CX-3 Key Fob Battery Replacement

Ready to tackle the battery replacement? Let’s get started:

1. Locate the key fob’s release button: This small button is usually located on the back of the key fob.
2. Release the metal key: Press the release button and gently pull out the metal emergency key from the fob.
3. Separate the key fob halves: Insert the flathead screwdriver into the seam where the two halves of the key fob meet. Gently twist the screwdriver to pry the casing open. Be careful not to use excessive force, which could damage the fob.
4. Remove the old battery: Carefully remove the old CR2032 battery from its slot. Note the battery’s orientation for correct replacement.
5. Install the new battery: Place the new CR2032 battery into the slot, ensuring it’s facing the same direction as the old one.
6. Reassemble the key fob: Align the two halves of the key fob and press them together firmly until you hear a click, indicating they’re securely closed.
7. Reinsert the metal key: Slide the metal emergency key back into its slot on the key fob.
8. Test the key fob: Walk to your 2020 Mazda CX-3 and try locking and unlocking the doors using the key fob. All functions should work properly now.

Expert Tip from John Miller, Automotive Electrician: “Always handle the new battery by its edges to avoid transferring oils from your skin, which can shorten its lifespan. And remember to dispose of the old battery properly at a battery recycling center.”

What to Do if Your Mazda CX-3 Key Fob Still Doesn’t Work

If you’ve replaced the battery and your Mazda CX-3 key fob is still acting up, don’t worry just yet. Here are a few things to check:

• Check the battery installation: Make sure the new battery is properly seated in the slot and oriented correctly.
• Try reprogramming the key fob: Your Mazda owner’s manual will have instructions on how to do this.
• Inspect the key fob for damage: If the key fob is physically damaged, it may need to be replaced entirely.
• Consult a professional: If you’re still having issues, a qualified automotive locksmith or dealership can diagnose and fix the problem.

FAQs

How long do Mazda CX-3 key fob batteries last?

The lifespan of a Mazda CX-3 key fob battery can vary depending on usage, but they typically last between 3 to 5 years.

Can I use any CR2032 battery for my Mazda CX-3 key fob?

While most CR2032 batteries will work, it’s recommended to use a high-quality battery from a reputable brand for optimal performance and longevity.

Can I replace the Mazda CX-3 key fob battery myself, or do I need to go to the dealership?

Replacing the key fob battery is a simple DIY task that most car owners can handle themselves in a matter of minutes.

Need More Help?

If you need assistance with your 2020 Mazda CX-3 key fob battery replacement or any other Key Fob Programming services, contact us via Whatsapp at +1 (641) 206-8880 or visit our shop located at 1326 N Houston St, Amarillo, TX 79107, USA. Our team of expert technicians is available 24/7 to assist you.