Your Family Will Thank You For Getting This Mazda Key Replacement How to Fix Common Mazda 3 Key Problems

The Mazda 3 is a stylish compact car that has a smooth handling and luxurious interiors. It's also a great value compared to many other small cars available.

It can be a huge trouble to lose keys. Not only do you'll be paying the dealer to tow your vehicle and reprogramme the key and it could cost you money to replace your spare keys.

Key not locking or unlocking doors

It's risky leaving doors unlocked especially when the vehicle is moving. If the door is locked when the vehicle is in motion passengers could be thrown out or injure themselves. To avoid this risk be sure to keep your keys out of the reach of children. Children may fi nd them fascinating and may play with them, which can cause the power windows or other controls to work and even make the vehicle move.

If you notice that the key fob isn't locking or unlocking the doors, it could mean that the battery is dead. The button cell battery on the key fob has a limited time span, so it's vital to replace it regularly. A quality battery should last between two to three years. When replacing the battery, it's important to choose a replacement battery with the same voltage and size as the one that was originally.

Another reason for why the key fob might not be working is a key pairing issue. It is possible that the keyfob wasn't properly associated with the vehicle when it was purchased. In this instance the key fob will need to be reset by the dealership. This can be done in under an hour. The dealer can also reset any residual electrical power in the on-board computer. This will not solve your key fob's inability to lock or unlock doors.

Dead coin battery

It's possible that the battery is dead if the key fob does not turn on or unlock your vehicle. This is a common issue however, it is easily solved. You can replace your battery at home and avoid a trip to a dealership. The procedure is simple and requires only a few simple tools.

Then, press the auxiliary key button on the back of your Mazda flip key. This will open the auxiliary metal key and allow you to take it off. Once the metal auxiliary key is removed, you'll find an opening on either side of the fob case. Make use of a tape-wrapped flathead screwdriver pry open the case, beginning with one side, and then the other. Gently pull the two halves of the case apart and put them aside.

Now you'll have a clear view of the battery in the key fob which means you can replace it. Be careful not to damage the small rubber ring the battery is placed on. When the battery is replaced, you can reassemble the case and enjoy your new key fob!

new mazda key fob that sell batteries also carry a replacement battery. Look up a CR2025 battery. These batteries are often used in calculators and watches and can be found in auto parts stores as well as online. It is simple and quick to change the battery in your Mazda 3. This will save you money by avoiding the hassle of a visit to a dealer.

Key pairing issue

If your Mazda 3 has been working for a while, but then suddenly stops and then it's possible that it's the remote keyless receiver module. This is especially true if the key fob's internal chip is damaged. It can be caused by a variety of factors like a dropped or wet key.

The key fob's electronic components are protected by rubber seals, therefore a raindrop should not damage them. However, submerging it in the pool or ocean water is a much more serious problem because the highly conductive nature of salt can harm the electronics.

If your key fob does not work, you may require a new battery. You can find a variety of third-party batteries on the internet. It's essential to be aware that they may not work with your Mazda 3. It is recommended to purchase from a dealer to make sure that it is compatible with your Mazda 3.

After replacing the battery, you should be able use your key fob once more. If the remote doesn't respond when you press the lock button, it is likely to be in power-saving mode. Press the lock button five times and hold it for a while until the red light flashes.

Reprogramming an encryption key


The keyless entry system of a Mazda allows you to unlock and start the car without the regular key. It's an excellent convenience, however the process to reprogramme the remote or key could be confusing for some. It also requires a device which is only accessible to the auto locksmith or dealer. This machine is connected with the computer in the vehicle, and it begins the programing process for a new key or remote.

The first step is having at minimum two keys that are compatible for the Mazda. You can then proceed with the reprogramming of a spare key. The functions of the new FOB will be temporarily removed to protect the vehicle from theft. After you have reprogrammed your new key, these functions can be activated once more.

After that, you are able to use the new key to unlock the doors and then start the engine. You should test it first to ensure it works. If you're worried about losing the keys, it's recommended to keep a spare one in your possession.

Adding a spare key to your Mazda is a fairly simple procedure. You can save money by following these easy steps. This will also help you avoid the expense of a tow and will also save money on a new spare key.