How to Fix Common Mazda 3 Key Problems
The Mazda 3 is an elegant compact car that has a luxurious interior and agile handling. It's also a fantastic value when compared to other compact cars on the market.
Lost keys can be a major troublesome. Not only do you'll need to pay for the dealer to tow your vehicle and reprogramme your key as well, but it could also cost you money to replace your spare keys.
The key cannot lock or unlock the door
It's risky to lock the doors without locking them, especially when the vehicle is in motion. If the door remains unlocked when the vehicle is moving passengers could fall out or suffer injuries. To avoid this risk ensure that you 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 function or even cause the car to move.
If you notice that the key fob doesn't unlock or lock the doors, the battery may be dead. The button-cell battery on the key fob has a short life span, so it is essential to replace it on a regular basis. mazda 2 replacement key cost uk will last between two and three years. It is essential to replace the battery with a new one that is of the same voltage and the same dimensions as the first.
Another reason that the key fob may not be working is due to a key pairing issue. It is possible that the keyfob wasn't properly paired with the vehicle when it was purchased. In this case it must be reset by the dealer. This can be accomplished in less than 30 seconds. The dealer can also reset the onboard computer to clear any residual electric current. This will not fix the problem with your key fob's ability to lock or unlock doors.
Dead coin battery
If your key fob isn't working or unlocking your car, it could be because the battery is dead. This is a common issue but one that can easily be repaired. You can replace the battery yourself, saving you going to the dealer. The procedure is simple and only requires the use of a few basic tools.
First you need to press the auxiliary button on the back of your Mazda flip key. This will let you take off the auxiliary keys made of metal. There is a slot on each side of the case once the auxiliary metal is removed. Use a tape-wrapped flathead screwdriver to open the case beginning with one side, and then the other. Gently pull the two halves of the case apart and place them aside.
You can now replace the battery of your key fob. You don't want to damage the rubber ring that the battery is mounted. Once the battery has been replaced, you can reassemble the case and enjoy your new key fob!
You can locate a replacement battery at most stores that sell batteries. Search for a CR2025 battery. These batteries are usually used in watches and calculators, but can also be found in auto parts stores and online. Making the change to the battery in your Mazda 3 is easy and quick, and will save your money on a trip to the dealership.

Key pairing issue
If your Mazda 3 has been working for a few days and then suddenly stops it could be due to the remote keyless receiver module. This can happen if the internal chip of the key fob is damaged. This may be due to a number of reasons, including a dropped key or exposure to water.
Fortunately the key fob's digital chips are protected by rubber seals, and should be fine even with splashes of water. However, submerging it into the ocean or in pool water is the most serious risk due to the highly electrically conductive nature of salt can cause damage to the electronic components.
If your key fob is not working, you're likely in need of an entirely new battery. A quick search on the web will reveal that there are countless third-party replacement batteries. But, it's important to be aware that they may not work with your Mazda 3. It's recommended to buy one from a dealer and ensure that it's 100% guaranteed to work with your vehicle.
After you've replaced your battery the key fob will be functioning again. If the remote does not respond when you press on the lock button, it's likely that the key has been stuck in power saving mode. Press the lock button five times and hold it for a while until the red light flashes.
Reprogramming the key
The keyless entry system of a Mazda allows you to unlock and start the car without using the traditional key. This is a great convenience however the process of reprogramming your remote or the key could be difficult for some. This also requires a computer that is only available to the locksmith for your car or dealer. This machine is connected with the computer in the vehicle and then begins the process of programming for the new key or remote.
The first step is to ensure that you have at least two working keys for the Mazda. Then, you can proceed with the reprogramming process of a spare key. The functions of the new FOB will be temporarily removed to protect the vehicle from theft. After you've reprogrammed the key, you can activate these functions once more.
After that, you will be able to use the new key to unlock the doors and start the engine. Test it first to make sure it is working. If you're worried about losing the keys, it's best to keep a spare one in your possession.
It's simple to add an extra Mazda key. Just follow these steps and you can save a considerable amount of money by not having to pay a dealership do it for you. This can also save you from the expense of a tow and also save money on a new spare key.