Mazda Key Fob Replacement

If your key fob does not function, you may not be able to access your vehicle. Luckily, a locksmith is able to solve the issue easily and cost-effectively.

It is not expensive to replace the battery in your mazda 6 key keyfob. You can find the instructions in your owner's manual or online videos on how to replace it.

How do I open a Mazda Key Fob

If your Mazda key fob isn't functioning properly or the indicator light for operation has stopped flashing, it might be time to replace the battery. This is among the easiest tasks to do at home, using just a few tools.

The Mazda key fob utilizes the CR2025 battery that is available at most retail stores as well as online platforms that sell batteries. The four-pack is priced at around $4 and comes in different sizes.

You can use a tape-wrapped flathead screwdriver open the Mazda key fob case. Press the key auxiliary button on the back of the fob in order to remove the metal auxiliary key, then use the screwdriver to break the case on both sides. Make sure you work slowly in order to avoid damaging the case, and to keep the screwdriver's blade from getting scratched.

Remove the old battery once you have opened the key fob. Be sure to carefully inspect the rubber ring on which the battery sits to ensure it is in good shape. Insert your new CR2025 to ensure that the positive side is facing you. Replace the battery, then cover the screwdriver. Then put it back together in accordance with your Mazda CX-5 owner's manual.

Battery Replacement

Mazda key fob batteries are simple to replace, however it is recommended to do it before the battery is completely depleted. In other words, it can cause the car to be unable to open doors and start the engine. This could be extremely dangerous, especially if you have small children in the vehicle.

You'll need to locate the battery which is in the lower portion of the key fob case. It's typically a little larger than a regular coin, and it comes with two terminals. There will be two the red one marked (+) and a black one with a minus sign. (-).

Use a tape-wrapped flathead screwdriver open the case first on one side, and then on the other. Be cautious not to push the case to open, or you could damage internal components. You can see the rubber ring in which the battery is located after the case has been removed. Be careful not to damage the ring, since the code number is engraved on it. Place the code number in a secure location and not in the vehicle, for future reference when needed.

After you've replaced the battery, put everything back together. Re-attach the case, and be sure to re-insert both sides of the key fob case until hearing them click into place.

Ignition Replacement

For the most part it's pretty easy to replace the battery of a car key fob and you can do so at home without the need of the assistance of a professional. In fact, a lot of experts recommend keeping a spare battery in your vehicle and you can find them in a variety of hardware stores. This will save you the expense of purchasing a brand new fob, which may cost upwards of $250 for the cheapest vehicles and $500 or more for the most expensive models.

However, if the ignition key is stuck inside the ignition, it will be much more difficult to take it out. Modern ignitions are complex systems and require a certain sequence of actions to function properly. If something disrupts the process, like a damaged ignition lock pin or a broken key, the ignition could be jammed and the key could become stuck.

If the ignition is damaged, then you'll have to get it repaired or replaced. This is a complex task, and depends on the model of your vehicle and the brand. Some dealerships offer to do this, however it's typically more expensive than hiring an independent mechanic.

In addition to the cost of the replacement or rebuilt ignition, you will also need to pay for an locksmith to program your new key. If your car does not have a basic ignition system this will be impossible to accomplish at home.

Key Blanks

The key fob does more than lock and start the car. It also comes with features like opening the windows to summon the car if it's in a difficult spot and auto-parking. They're very useful, however, they can be a bit frustrating when you damage or lose one.

It's good to know that the majority of modern key fobs can be easily replaced. It's often possible to do it yourself using a screwdriver, a plier and an additional battery. Some key fobs sound an alert when their life span is approaching the end. Experts recommend keeping an extra battery as well as a small screwdriver in the glove box or in the center console in case you need to replace your old one.

Another option is to contact an locksmith who can create you a replacement key. These professionals might require an operational key from the vehicle to program the new fob, so it's crucial to find a locksmith who requires proof of ownership or registration prior to when they begin. You can also consider purchasing a brand new fob online from a reputable seller.

Your insurance might cover a key fob in the event that it doesn't function. This option will cost you a brand new key fob, as well as the deductible on your car.