How to Replace a Dead Mazda 6 Key Fob
The Mazda 6 is a beautiful car that is equipped with a variety of features, among them is a key fob that can lock and unlock the car. The fob, as with the rest of the car, is prone to wear out and be damaged.
It's simple and cheap to change the battery in your Mazda 6. All you need is a screwdriver with a flat head and a new CR2025 battery.

How do I program a Mazda 6 key fob
One of the most useful things you can do with your Mazda is to unlock your car doors remotely. This makes it easier to get your kids in the car to go to school or to bring groceries in after work. It can be very frustrating if your keyfob isn't working. There are a few straightforward steps you can take to identify the issue and get it back to normal.
Mazda 6s have a remote control fob that works with the onboard system of the car to open doors and begin the motor. It's a wonderful convenience, but can be dangerous if lose or take the key. It is crucial to understand how the key fob operates to ensure that it's safe and hasn't been tampered with.
A sound will be heard when the ignition key is on or the engine is running. The indicator light for operation will also flash. If this is the case then refer to the warning message in the instrument cluster (Search).
The first thing you will have to do is take the key made of metal from the fob. To do this simply press the small button on the back of your fob until the key comes out. Utilize a flathead to pry the case open beginning from one side and moving to the other. Be careful not to damage the rubber ring holding the battery in place. Replace the battery with a brand new one after removing it. Reattach the battery case.
How do I replace the Mazda 6 key fob battery
The battery inside your Mazda key fob could need to be replaced when it's not operating correctly. The good news is that it's a simple fix that you can complete yourself in or around Cicero. You'll need a flathead screwdriver, electrical tape and a small flathead. Then, you can get back on the road in your Mazda!
Press the button that is auxiliary on the back to detach the metal auxiliary. You'll now see two slots on the opposite side of the case. Then, gently pull the case open on the other side. Be careful not to scratch the rubber ring that the battery is positioned. After the case has been removed, take out the batteries that were in use. Place the new battery on the top of the ring making sure that the positive (+) side is facing up. Reassemble the case, and attach both sides of the fob. Once both halves are secured, you should hear a clicking sound.
Purchase the correct replacement battery from your local Rio Rancho auto parts or hardware store. Replace the rubber ring that rests on the battery. If the ring is damaged, we suggest purchasing a new one. You can purchase this from our University Mazda Parts Department.
How can I replace the chip in the Mazda 6 key fob
If you own a Mazda 6 key fob or transponder key with an unresponsive battery, there's an easy way to get it working without the need to pay for the services of locksmiths or dealers. The key fob comes with a code on it which allows it to communicate with your car's computer. This code acts as an identifier unique to the fob that allows it to unlock doors and also start your car. This code is located on the back of your key fob and is also printed on a sticker in the ignition.
Be sure to keep this key code in a safe place if you ever need it. It will save you time and money in the future. Read More Here will also be found on the original Mazda key that came with your car. This information is used to program the key and allow the car to identify it as a valid transponder chip key or smart key fob.
Note down the year, model and make of your Mazda 6 on a piece of paper prior to getting a new Mazda key made. This will help the locksmith or dealer to verify your exact year, make and model so that they will know if you require a transponder chip, smart, remote or regular key. You'll also need to provide proof of ownership (such as the title, registration or insurance card) for your vehicle.
How to replace the RFID chip on a Mazda 6 key fob
Mazda key fobs, also referred to as Mazda chip keys or Mazda transponder keys have an anti-theft feature called an RFID (Radio Frequency Identification) chip inside the keys. When the button is pressed the chip emits a unique signal. The signal is picked up by a receiver inside the car, which activates it. Even a perfect replica of the key cannot start the car without this chip. What happens if the key fob chip in your vehicle malfunctions?
If you're fortunate enough to still have the metal part of your key, you can take off the plastic cover from the fob using a screwdriver or pliers (it could be a bit tight) and then remove the chip that was in use. Attach it to the ignition lock by gluing it to a tape. This will allow you to open the doors and turn the engine while you wait for an alternative.
The counter for automotive solutions at Lock Surgeon is stocked with thousands of Mazda key remotes, Mazda flip keys and Mazda proximity smart keys ready for cutting, programming or duplicates for all different models and years. We can cut and program Mazda keys at your home, at work or at any of Lock Surgeon's locations. Contact us, send an email or visit us. We provide a variety of solutions for your vehicle, including car alarms, transponder keys remotes and locks.