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How to Fix mazda 3 keys g28carkeys.co.uk is an elegant compact car that features a luxurious interior and agile handling. It's also an excellent value when compared to other compact cars on the market. Lost keys can be a real troublesome. It can be expensive to replace spare keys, and taking your vehicle to the dealer to re-program your key. The key is not able to lock or unlock the door It is dangerous to leave doors unlocked especially when the vehicle is in motion. If the door is unlocked when the vehicle is in motion, passengers may fall out or suffer injuries. To avoid this issue, you should always keep your keys away from children. Children might find them interesting and play with them, which can cause the power windows or other controls to operate and even cause the vehicle to move. If you notice that the key fob does not unlock or lock the doors, the battery could be dead. The button cell battery on the key fob has a limited lifespan, so it is vital to replace it regularly. A good battery will last between two and four years. It is essential to replace the battery by a replacement that is of the same voltage and the same dimensions as the first. Another reason for why the key fob may not be working is a key pairing problem. It is possible that the keyfob wasn't properly linked to the vehicle when it was purchased. In this scenario, it will need to be reset by the dealer. This can be done in less than one minute. The dealership can also reset any remaining electrical power in the on-board computer. However, this will not alter the key fob's capability to lock or unlock doors. Dead coin battery It's possible that the battery is not functioning properly if your key fob does not turn on or unlock your vehicle. It's a common problem, but one that is able to be solved. You can replace the battery on your own, saving an excursion to the dealership. The process is easy and requires just the use of a few tools. Then press the auxiliary key button on the back of your Mazda flip key. This will open the auxiliary metal key, allowing you to take it off. You'll see an opening on both sides of the case once the auxiliary's metal has been removed. Start with one side of the case and move around using a tape-wrapped screwdriver. Gently pull the two halves of the case apart and place them aside. Now you'll be able to see the inside of the key fob's battery, so you can replace it. You don't want to harm the rubber ring on which the battery is mounted. After the battery has been replaced, you can reassemble the case and enjoy your new key fob! The majority of stores selling batteries will have a spare battery. Look for a CR2025 coin cell battery. These batteries are usually used in watches and calculators however they can also be found in auto parts stores and on the internet. It's simple and fast to replace the battery in your Mazda 3. This will save you money by avoiding a dealership visit. Key Pairing Problem If your Mazda 3 has been working for a while but 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. This could be the result of several factors, such as an accidental drop of the key or exposure to water. Fortunately the key fob's digital chips are protected by rubber seals and will be fine even with a splash of water. The key fob's submersion in the ocean or pool water can be a serious problem due to the fact that salty liquid is extremely conductive and may cause damage to electronic components. If your key fob does not function, you might require new batteries. There are a wide range of third-party batteries available on the internet. However, it's important to note that they might not work with your Mazda 3. It's a good idea buy one from a dealer and ensure it is 100% guaranteed to work with your vehicle. After replacing the battery, you should be able to utilize your key fob once more. However, if your remote doesn't respond when press the lock button, it is likely to be in power-saving mode. Press the lock button five times and hold it until the red light flashes. Reprogramming the key Mazda's keyless entry feature allows you to open the door and then start it without the need for an ordinary key. It's a wonderful convenience, but the process of reprogramming the key or remote can be a bit confusing for some. This also requires a machine that is accessible only to the auto locksmith or dealer. This machine is connected the computer in the vehicle and begins the programming procedure for the new key or remote. The first thing to do is have at least two keys that work for the Mazda. The next step is the reprogramming of a spare key. The functions of the new FOB will be temporarily turned off to protect the vehicle from theft. Once you've reprogrammed your new key, these functions can be activated again. After that, you will be able to use the new key to unlock the doors and start the engine. It is important to test it first to make sure it works. If you're worried about losing your keys, it's recommended to keep a spare key around. It is simple to add a spare Mazda key. Follow these steps and you'll be able to save a significant amount of money by not having to pay for the dealership to do it for you. This can also save you from an expensive towing bill, as well as saving money on a spare key.