Different Types of Mazda Replacement Keys
If you have lost your Mazda key or your car keys stop working, there are many ways to get it replaced. Some are more affordable and less complicated than other options.
A locksmith can duplicate a chipped key and reprogram it on site for your car. A dealership might also be able this for you.
Transponder Keys
If you own a vehicle manufactured in the last 20 years you can be pretty sure that your key has a transponder chip inside. These chips serve as an additional security feature on your vehicle to prevent it from being stolen. When you insert a transponder-key into the ignition, the engine control unit sends an encrypted message to it. If the code is correct, then your car will start.
The benefit of a transponder's key is that it can't be duplicated by most duplicators. However this doesn't mean it is totally safe from thieves. There are a variety of ways for skilled thieves to wire a vehicle equipped with an embedded transponder chip.
Transponder keys are also slightly more expensive than other kinds of replacement keys, but they have more security and features. mazda rx8 key might be worth it to protect your car from being stolen.
You can get an extra transponder for your car by contacting an auto locksmith or a local shop which offers a key cloning service. You can also program the chip using a detailed owner's manual. If you decide to do this yourself, make sure you use an authentic key of good quality. A cheap key could cause damage to the transponder chip and cause your vehicle to not start.
Mechanical Keys
You may think of the classic IBM Model M keyboard when you hear the term mechanical key. They have stems that hold keys in place and a spring. This is the reason why the switches feel good when you press the keycap. The keycaps themselves have flat tops and are either rounded or textured with ridges. These are the keys that people are talking about when they discuss getting an "feel" for their keyboards.
Mazda's key system comes with a variety of security features designed to deter theft. One of those is a security chip that is built into the key that signals to the ignition. This chip is designed to stop the car from starting when the incorrect code is entered into the transponder of the key.
However even these systems could fail sometimes. That's why it's essential to have a backup mechanical key to return you to the road.
The best way to get an alternative is to have your dealer cut and program it to your vehicle. It's usually less expensive and faster than buying a new keyfob. You'll also be assured that your car is secure even if your electronic system fails. The process for programming the mechanical key can differ according to the car's model and the manufacturer.
Fob Keys
Fob keys emit a code that is then matched by a computer in the car to open doors and start the engine. While they are secure and convenient, replacing them can cost a lot, especially if your only one is lost.
The process differs by the automaker. But, a majority of them provide instructions on their websites or in owners' guides. The cost of a key fob could be between $50 and $300 in addition to the cost of an electronic backup key. It's best to have a spare remote. If you're in looking to buy new vehicle, many used-car dealers will charge more when it comes with two working remotes.
Batteries for key fobs last about a year. It is important to replace them prior to the time they expire. A dead battery can prevent your key fob from opening or even starting the vehicle.

A battery that is not fully charged can cause the buttons on the key fob to cease to function, making it difficult to exit or enter your vehicle.
To replace the battery of a key fob first, remove the plastic case for the key fob and set the battery on an ring made of rubber. Then, take your replacement and place it back in the case with the positive (+) side up. Put the ring back into place and reattach both sides of the key fob's case, pressing until you hear them click into place.
Remote Control Keys
Some mazda models have the remote integrated into the head of the keys that makes them a dual-in one device. This kind of key offers an additional layer of protection for the vehicle, since it stops thieves from stealing the flat metal key.
This kind of Mazda key also controls the power window of the car and panoramic roof* depending on the model. The Red Key allows car owners to restrict certain features like the maximum speed or volume of the speakers.
If the Mazda key is left inside the vehicle, the engine will not start and the alarm will sound. The reason behind this is the transponder chip within the key deactivates the vehicle's immobiliser standard found within the ECU.
It is important that you always have the Mazda key in your hand when you leave your vehicle. Do not put the Mazda Key near any metal or electronic apparatus. tablets, mobile phones laptops, laptops or chargers - preferring not to be placed closer than 10 cm (4-6 inches). If this isn't possible the key should be kept away from them as far as is possible.