Mazda Dealership Key Replacement
Mazdas come with special key fobs that contain a unique code that can help protect against car theft. These keys aren't cheap and may cost you $150 or more to replace at a dealer.

Make sure you have an additional set of keys that are functional before replacing yours. To do this, remove the battery cover on the key fob. Then, place the new battery so that the positive (+) side is facing up.
Cost
If you're worried about losing or damage to your Mazda car keys you can always get them replaced at an auto dealer. The cost of getting them from a locksmith or independent auto dealer may be a lot more costly. There are a few variables which determine the cost of the replacement key. The cost of the replacement key is influenced by a variety of factors. Also, you should be aware of if keys have been stolen or lost.
Depending on the circumstances You may be able to save the cost of a new Mazda dealership key by taking the battery off the fob and replacing it yourself. A replacement battery can be purchased at a hardware store, or online for about $10. It's also simple to replace the old battery. If you have a Mazda equipped with a proximity-key, the process could be more expensive.
For instance, if you have an 09 R3 you can purchase the prox card with no key that can hold two keys. This is less expensive than having a dealer program the new key. This option is also more simple to use than the traditional fob. The only drawback is that you need to have a functioning key or at a minimum, a proxy card to program it.
Time is an important factor.
When you need to replace the lost or stolen Mazda car key, you can have it made at your local dealership. They usually have blank chip keys that can be programmed available and can create an appropriate replacement for you. You might be waiting for up to a week if they don't keep one in stock. This can cost between $200 and $250.
You can also get locksmiths to create an alternative key for your Mazda. They are less expensive than dealers and will often create a working copy on site. It is essential to determine if your car needs key programming. Some Mazda models have remotes and key fobs that require an exact computer chip that can only be programmed by a certified locksmith or dealer.
Mazda continues to develop new, intuitive technology for its vehicles. This includes the key fob. This handy piece of hardware allows you to access your vehicle, and even start it up with the push of a button! But if it should end up dying while you're out and about in Stroudsburg, Easton, or Brodheadsville it is essential to be aware of how to open the Mazda key fob to replace its battery.
Remove the metal auxiliary keys from the case of the Mazda keyfob. The case will have two slots on each side. Be cautious not to crack or snap the case when prying it open using a tape-wrapped screwdriver. Then, remove the old battery and replace it with a new one, making sure the positive (+) side of the battery is facing upwards.
Safety
Mazda key fobs may appear like they're simple on the surface however, they're actually complicated electronic circuits. They're programmable to the model of your car and include transponders. If you've lost your keys or require a replacement key, you can go to the dealership and have one made. The dealer can duplicate the key you have while you wait, and then program it. The key could also work in another vehicle if ID and part number are compatible.
It's important to understand that this procedure isn't 100% risk-free. You'll first need to remove the auxiliary button made of metal from the back of the case. After removing the auxiliary key button made of metal you will notice a slot on either side of the case. These slots are large enough for you to use a tape-wrapped flathead screwdriver open the case. When you're done, make sure that you place the case in a safe place.
After you've removed the cap from the battery, you can replace it with a compatible replacement. Be sure to choose a battery that's the same kind as the original as it's essential for ensuring that your key fob is functioning correctly. Then, you can place the new battery inside the fob's case, with the positive (+) side up. After you've done this and replaced the fob cover and battery cover press until you hear an immediate snapping sound.
Availability
Mazda keys look simple from the outside, but they contain a complex microchip designed to protect your car against theft. It is therefore expensive to replace them if they become lost or broken. A locksmith can help you save money by allowing them to cut and program an extra key. You can also acquire them more quickly than at an auto dealer because you can do it any time.
If your Mazda key fob starts acting up It's a good idea to replace its battery before it dies completely. So you won't be with no key. To replace the battery, you will have to disassemble the key fob. It's as easy as taking off the plastic cover using the corners. Remove the plastic cover using an screwdriver. Then, take out the battery from its original location and then put it in the new one with its positive side facing up. Make sure you replace the rubber ring, and then reassemble your fob correctly.
You can also contact a locksmith in your area to cut and program a new Mazda key. However mazda 6 key fob replacement is less secure and could cause a malfunctioning key. The automotive locksmith will also require the VIN number as well as other information about your vehicle in order to identify the correct key.