Different Types of Mazda Replacement Keys
If you've lost your Mazda key or your car keys stop functioning, there are a variety of options to get it replaced. Some are cheaper and easier than others.
A locksmith can duplicate a chipped key and reprogram it on site for your vehicle. A dealership may be able also do this.
Transponder Keys
It is almost certain that the vehicle you own was manufactured in the past 20 years, your key has transponders. These chips are used as an additional security feature on your vehicle to keep it from being stolen. When you insert a transponder key into the ignition, the engine control unit transmits a coded message to the key. If the code matches, then your vehicle will start.
The advantage of a transponder's key is that it is not able to be duplicated by the majority of duplicators. However, this doesn't mean that it is totally safe from thieves. There are plenty of ways for a skilled thief to hot wire a vehicle equipped with transponder chips installed.
Transponder keys might be slightly more expensive however they offer more features and security. It's worth it to protect your car from being taken.
Visit an auto locksmith or a local business that offers a key cloning services to obtain an extra key. You can also program the chip using the owner's guide in detail. If you decide to do this, make sure that you purchase a high-quality key copy. If you use a low-quality key, it could cause damage to the transponder chip and cause your vehicle to not start.
Mechanical Keys
It is possible to think of the classic IBM Model M keyboard when you hear the term mechanical key. The switches are equipped with stems which hold keys in place and a spring. This is why the switches feel nice when you press the keycap. The keycaps are flat on top, and can be made of a rounded shape with ridges or are textured. When people talk about getting the "feel" of their keyboards, they are referring to these keys.
Mazda's car key system has numerous security features that can prevent theft. One of those is a security chip that is built into the key which sends a signal to the ignition of the car. The chip is designed to prevent the car from starting if the wrong code is entered into the transponder of the key.
However even these systems may fail sometimes. That's why it's vital to have an extra mechanical key to get you back on the road.
It is best to use the dealer's program and cut an additional key fob for your vehicle. It's not as expensive as an entirely new key fob and could be more efficient. You'll also have the assurance that your vehicle is safe even if the electronic system fails. If you need to have your mechanical key programmed, the procedure will differ based on the car's manufacturer and model.
Fob Keys
Fob keys emit a number that is then matched by a computer within the car to unlock doors and also start the engine. They're secure and convenient However, they can be expensive to replace, particularly if you've lost your only one.
The process differs by the manufacturer. However, many offer instructions on their websites or in owner's guides. The cost of a key fob can be between $50 and $300 in addition to the cost of an automatic backup key. It's always a good idea to have a spare remote. If you're in the market for a new car Many used-car dealers will be willing to pay more in case the vehicle has two functioning remotes.
Key fob batteries are only good for about a year, so it's crucial to replace them before they expire. A dead battery could stop your key fob from opening or even starting the vehicle.
A drained cell could cause buttons on your key fob to cease functioning, making it hard to get into or out of your vehicle.
To replace a key fob's battery first, remove the case of the key fob and set the battery on an ring made of rubber. Choose your new battery and place it inside the case with the positive (+) facing up. Set the ring back into position and attach both sides of the key fob's enclosure, pressing until you hear them click into the correct position.
Remote Control Keys
Certain mazda models come with a remote built into the head of the keys which makes them a two-in one device. This kind of key is useful and adds an extra layer of security to the vehicle since it blocks thieves from using the standard flat metal keys to unlock the car.

This kind of Mazda key can also control the power window of the car and panoramic roof* depending on the model. The Red Key is a special key that permits car owners to place restrictions on certain features, such as the maximum speed or the loudspeaker system's maximum volume.
If a Mazda key is left in the vehicle the engine won't start and the alarm will sound. The transponder chip contained in the key disables the standard immobiliser system in the ECU.
It is essential to always have the Mazda key in your hand when you leave your vehicle. Also, avoid placing the Mazda key close to any metallic objects or electronic devices, e.g. tablets, mobile phones laptops, laptops and chargers preferably not closer than 10-15 cm (4-6 inches). If mazda 2 spare key isn't feasible, the key should be stored away from them as far as is possible.