How to Fix Common Mazda 3 Key Problems

The Mazda 3 is an elegant compact car with a classy interior and agile handling. It's also an excellent value when compared with other compact cars available.

It can be a real trouble to lose keys. Not only will you have to pay the dealership to tow your car and reprogram your key as well, but it could also cost money to replace spare keys.

Key not locking or unlocking the doors

It's risky to lock the doors without locking them especially when the vehicle is moving. If the door is opened when the vehicle is moving, it can cause passengers to fall out or be injured. To avoid this ensure that you keep your keys out of the reach of children. Children might find them interesting and want to play with them. This could cause the power window or other controls to malfunction and even cause the vehicle to move.

If you notice that the key fob doesn't lock or unlock the doors, the battery could be dead. The button cell battery that is in the key fob is limited in its lifespan, therefore it is vital to replace it regularly. A good battery will last between two and four years. When replacing the battery, it is important to choose a battery with the same size and voltage as the one that was originally.

Another reason that the key fob might not be working is a key pairing issue. It could be that the key fob was not connected properly with the vehicle when it was first purchased. In this case the dealer will have to reset it. This can be done in less than an hour. The dealership can also reset any residual electrical power in the on-board computer. But, this will not fix the key fob's ability to lock or unlock the doors.

Dead coin battery

If your key fob is not activating or unlocking your car, it could be because the battery is dead. This is a common issue however, it is easily solved. You can replace the battery yourself, avoiding having to visit a dealership. The procedure is easy and requires just a few tools.

Press the auxiliary key button located on the back of the lost Mazda 3 key flip key. This will allow you to take off the auxiliary keys made of metal. After the auxiliary key made of metal is removed, you'll see an opening on either side of the fob case. Make use of a tape-wrapped flathead screwdriver to pry open the case, beginning with one side, and then the opposite. Gently pry apart the two halves before putting them aside.

You can now replace the battery in the key fob. Be careful not to scratch the ring of rubber that the battery sits on. After the battery is replaced, you can reassemble your case and use the new key fob.

The majority of stores selling batteries also carry a replacement battery. Find a CR2025 coin cell battery. These batteries are usually used in calculators and watches but can also be found in auto parts stores and on the internet. The process of replacing the battery in your Mazda 3 is easy and quick, and can save your money on a trip to the dealer.

Key Pairing Issue

If your Mazda 3 has been working for a while and then suddenly stops it could be due to the remote keyless receiver module. This is especially true when the key fob's internal chip is damaged. It could be caused by various reasons, like a dropped key or exposure to water.

The key fob's electronic components are protected by rubber seals so a splash of rain is unlikely to cause harm. However, submerging it in ocean or pool water is a much more serious problem due to the highly electrically conductivity of salt may cause damage to the electronics.

If your key fob doesn't functioning, you're most likely in need of an upgrade to the battery. A quick search on the internet will reveal that there are numerous third-party replacement mazda 2 key batteries. However, it's important to remember that they may not be compatible with your Mazda 3. It's best to purchase one from a dealership and ensure it is sure to work with your vehicle.

After replacing the battery, you'll be able to utilize your key fob again. However, if your remote isn't responding when you press the lock button, it is likely to be in power-saving mode. Press the lock button 5 times and hold it for a while until the red light turns on.

Reprogramming the key

The keyless entry system that comes with a Mazda allows you to unlock and start the car without using the traditional key. It's a wonderful convenience, but the process of reprogramming your remote or key could be confusing for some. It also requires a device that is available only to the auto locksmith 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. The next step is reprogramming a spare key. Initially, the functions of the new FOB are turned off to protect the vehicle from theft. Once you've reprogrammed the new key, you can activate these functions again.

After that, you are able to use the new key to open the doors and start the engine. Check it out first to make sure it is working. If you're worried about losing keys, it is a good idea to keep a spare key around.

Adding a spare key to your Mazda is a relatively simple process. Follow these steps and you'll be able to save a considerable amount of money by not having to pay a dealership to complete the task for you. This can also save you from an expensive towing bill, as well as saving money on a new spare key.