How to Fix Common Mazda 3 Key Problems
The Mazda 3 is an elegant compact car with a classy interior and a fluid handling. It's also a great deal less expensive than other compacts on the market.
It's a major pain to lose keys. It can be expensive to replace spare keys and transporting your vehicle to the dealer for reprogramming your key.
Keys not locking or unlocking the doors
Leaving the doors unlocked could be very dangerous, particularly when the vehicle is moving. If the door is locked while the vehicle is moving, passengers may fall out or sustain injuries. Keep the keys out of reach of children to avoid this. Children may fi nd them fascinating and may play with them, which can cause the power windows or other controls to be activated and make the vehicle move.
If you notice 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 short lifespan, so it is vital to replace it regularly. A good battery will last between two and four years. When replacing the battery, it's important to select a battery that has the same size and voltage as the original one.
Another reason why the key fob might not be working is due to a key pairing issue. It is possible that the keyfob wasn't properly linked to the vehicle when it was purchased. In this instance it must be reprogrammed by the dealership. Fortunately this can be accomplished in less than a minute. The dealer can also reset any residual electric current in the onboard computer. However, this does not fix the key fob's ability to lock or unlock doors.
Dead coin battery
It's possible that the battery is dead if the key fob isn't turning on or unlock your car. It's a common problem, but one that can easily be solved. You can replace the battery yourself, avoiding an excursion to the dealership. The procedure is simple and requires just some basic tools.
First press the auxiliary key button on the back of your Mazda flip key. This will open the auxiliary metal key and let you remove it. Once the metal auxiliary key is removed, you'll see a slot 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 pry the two halves of the case and set them aside.
Now you'll be able see clearly of the key fob battery and you can replace it. Be careful not to scratch the small rubber ring the battery is placed on. After the battery has been replaced, you can put it back in your case and enjoy the new key fob.
The majority of stores that sell batteries have a replacement battery. Look up a CR2025 battery. These batteries are typically used in calculators and watches and can be found in auto parts stores or online. Making the change to the battery in your Mazda 3 is easy and fast, and will save you money on a trip to the dealer.
Key Pairing Problem
If you've been driving your Mazda 3 for a long time and suddenly it stopped working, there could be a problem with the remote keyless system receiver module. This is especially likely if the key fob's internal chip is damaged. This could be the result of various reasons, like dropping the key or exposure to water.
Fortunately the key fob's electronic chips are protected by rubber seals and should be fine with the splash of water. Submerging mazda 6 key fob into ocean water or pool water can pose a serious problem because the salty water is extremely conductive and may damage the electronic components.
If your key fob does not function, you might need an upgrade to the battery. A quick search on internet will reveal that there are countless third-party replacement batteries. However, it's important to keep in mind that they might not work with your Mazda 3. It's a good idea buy one from the dealership and make sure it's sure to work with your vehicle.
After replacing the battery, you should be able to use the key fob again. If the remote doesn't respond when you press on the lock button, it's likely that the key is stuck in power saving mode. Press the lock button 5 times and hold it until the red light flashes.
Reprogramming an encryption key
The keyless entry system that comes with the Mazda allows you to open and start the car without the traditional key. It's a great feature, but the process of reprogramming your remote or key could be confusing for some. It also requires a particular machine that only the dealer or automotive locksmith can access. This machine is connected to the computer in the vehicle, and it begins the programming process for the new key or remote.
The first step is to have at least two working keys for the Mazda. The next step is reprogramming a spare key. The functions of the new FOB will be temporarily removed to protect the vehicle from theft. Once you have reprogrammed your new key, these functions will be activated again.
After that, you are able to use the new key to unlock the doors and start the engine. You should first test it to verify that it functions. Keep a spare set of keys around if you are worried about losing your keys.
It's simple to add the spare Mazda key. Just follow these steps and save a significant amount of cash by not having to pay a dealership to complete the task for you. This will save you money on towing costs and a spare key.