Mazda Key Fob Replacement
If your key fob won't work, you may not be able to access your vehicle. Thankfully, a locksmith can fix this problem easily and cost-effectively.
The battery in your Mazda key fob is typically quite affordable to replace. You can find the necessary instructions in your owner's manual or online videos on how to replace it.
How to open the door of a Mazda Key Fob
If you've noticed that your Mazda key fob isn't functioning as easily, or its operating indicator light is no longer flashing, you might need a replacement battery. This is one of the easiest tasks to do at home using just a few tools.
The Mazda key fob utilizes a CR2025 battery which can be found in most stores and e-commerce platforms that sell batteries. mazda cx-5 replacement key uk cost about $4 for a package of four and come in different sizes.
Open the Mazda key fob using a taped flathead screwdriver. Press the key auxiliary button on the back of the fob to remove the auxiliary metal key, then use your screwdriver to remove the case from both sides. Make sure to work slowly so that you don't cause damage to the case and also to avoid the screwdriver's tip from getting scratched.
Once you've opened the case of the key fob, take off the old battery. Make sure the rubber ring the battery is affixed to is in good working order. Insert your new CR2025 to ensure that the positive side is facing you. Replace the case and cover the screwdriver, and then put everything back together as instructed in the owner's guide for your Mazda CX-5 or other model.
Battery Replacement
Mazda key fob batteries are easy to replace, but it is best to do so before the battery completely dies. Otherwise, it can cause the car to be unable to unlock doors and begin the engine. This could be risky especially if you have children in the vehicle.
You'll have to locate the battery, which is located within the lower portion of the key fob case. It is usually a little bigger than a standard coin, and it comes with two terminals. There will be two the red one marked (+) and one black one marked (-).
Use a tape-wrapped flathead screwdriver pry open the case, first on one side, and then on the other. Be careful not to force the case open, or you could damage the internal components. Once the case is removed you will see tiny rubber rings that the battery sits on. The ring has a code number stamped on it. Keep the code number somewhere secure, not in your vehicle in case you require it in the future.
Reassemble everything after you've changed the battery. Re-attach the case, and make sure to re-insert both sides of the key fob case until you hear them click into place.
Ignition Replacement
For the most part it's quite simple to replace the battery for a car key fob and you can do it at home without needing the assistance of a professional. In fact, many experts recommend keeping a spare battery in your car and you can get them at most hardware stores. This will help you avoid the expense of buying a new fob, which can cost $250 or more for the most basic vehicles, and $500 or more for luxury models.
If the key is stuck in the ignition, it could be more difficult to remove. Most modern ignitions are highly complex and require a particular sequence of movements to function correctly. If something interferes with the operation, like a broken ignition lock pin or a broken key, the ignition could jam and the key could become stuck.
If your ignition is damaged, you'll require it to be repaired or replaced. This is a complicated task which is dependent on the type and brand of your vehicle. Some dealerships will do this, but it's generally more expensive than going to an independent mechanic.
You'll have to pay a locksmith for the programming of the new key in addition to the cost to replace or rebuild the ignition. It is not something you can do at home unless your car has an ignition system that is basic.
Key Blanks
The key fob does more than just lock and start the car. The key fob also has additional features, like rolling down the windows as well as summoning the vehicle in case it's in a congested space, and auto-parking. They are very useful, but they can be frustrating when you damage or lose one.
It's important to know that most modern key fobs can be easily replaced. You can typically do it yourself with a screwdriver, and you can buy a new one. Some key fobs emit warnings when they're getting close to the end of their life. Experts suggest keeping an extra battery and a small screwdriver in your glove box or on the center console in case you have to replace your old one.
A locksmith can also make you an entirely new key. The locksmith might require a working key to program the new remote, so look for one that will require proof before beginning. Finally, you can also consider purchasing a brand new fob online through a reputable seller.
The insurance of your car may cover a key fob in case it isn't functioning. But, taking this route means that you'll need to pay for a replacement fob as well as your car's deductible, which can be costly in the event that the fob costs hundreds of dollars.