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How to Replace a Dead Mazda 5 Key Fob There are plenty of amazing features that come with your Mazda 5 key fob. Some of them enhance safety or performance while others make driving in East Stroudsburg Brodheadsville and Saylorsville more comfortable. One of these handy features is the remote start system. If you're experiencing difficulty getting your car started it could be time to change the battery in your key fob. What is a keyfob? A key fob is a remote control that lets you unlock and start your vehicle without having to insert a key of metal into the ignition. It's a small gadget that has a microchip on which information such as an individual ID is stored, and an antenna for sending and receiving signals. The microchip communicates with the receiver in your car using radio frequency. These signals are a form of near-field communications (NFC) that allows payments that are not made using contactless technology, as well as other features requiring proximity. Depending on the type of key fob that you have the system will have different features. For instance, some systems keep a record of who used the key and when, which is an important tool in preventing crime. There are other security measures that can be added, for instance, encrypted keys that make it difficult to duplicate them. Prox cards are popular fobs and are also known as 125khz (or 26-bit) or proximity cards. It's wise to have an extra key fob in your vehicle in case one is lost or stolen. It's cost-effective and convenient to program a second keyfob for yourself. It is important to remember that the procedure differs between manufacturers and can be a bit complicated. It may be necessary to conduct some research to find the proper instructions and steps. However, it is worth having an authentic key fob to aid you in reaching your destination safely. How do you open a key fob Nothing can be more frustrating than pressing the unlock button on your Mazda key fob and discovering that it's not working. Whether you're getting ready for your day at work or returning home after an exciting afternoon at EAA Airventure, a dead key fob battery can really hinder your plans. Fortunately, changing your key fob battery is simple and can be accomplished at home, using only few tools. The Service team at Holiday Mazda has put together this guide to help you to open the key fob and replace the battery. To start, push the accessory key button on the back of the key fob to detach the auxiliary metal key. Once the key is removed, you will see the slots on either side of the case. Using an abrasive tape-wrapped screwdriver, gently pry the case open. It should fall apart easily without damaging the rubber ring underneath that the battery rests on. Once the battery has been exposed, remove it and put it away somewhere that you won't forget about it. Then, put the new battery in its spot, making sure that the positive (+) side of the battery is facing up. Close the case after the new battery is installed, making sure that both sides snap into place. You're now ready to use your Mazda key fob again! What is the battery needed for a key fob? The majority of key fobs are powered by small, coin-shaped batteries that are known as button cells. They are readily available at all kinds of stores, home improvement centers, and certain auto parts stores. It is essential to choose the right size battery for your key fob since different sizes of batteries have different discharge characteristics, which may affect how well your key fob works. Most times you can tell if your fob battery is dead by pressing any buttons on it, and then looking at the LED light that is illuminated. If the LED light does not come on, it is a sign that the battery is dead and has to be replaced. You can also use a voltmeter to the battery to check its voltage. A fully charged key fob should show around 3 Volts. If the battery is less than 3 Volts it should be replaced. The first step in replacing the battery is to open up the key fob of your device and locate the notch which divides it into two halves. You can use your finger or a screwdriver knife to push the halves apart. Once the halves are separated, unscrew the screw that holds the key fob in the back. Place lost mazda 3 key in a secure place like a resealable cup or bag to prevent losing it. How to replace the battery on the key fob Key fobs are small device that connects to the ring of your keys with buttons that let you lock and unlock your car and even start it remotely (one of the many possible uses for these tiny devices). The fob sends wireless signals to your vehicle that allows it to do this, however that signals run on batteries. If the battery is dead then your Mazda won't be able perform any function and this could be a huge disappointment. It's easy to replace the key fob battery. The first step is to unlock the key fob by pushing the screwdriver's tip into the gap where the two halves snap together. This seam usually has a notch that makes it easier to pry the halves apart. After opening the case, gently pull the key blade to release the battery. Push the new CR2025 battery into place, making sure that the upside side is facing upwards. Once the new battery is installed take off the black cover piece and slide the blade into place. This is a quick and simple procedure which can be carried out at home in Springfield, though the steps will differ based upon the year of your vehicle and the key fob design. The staff at Eich is always on hand to answer any questions you may have.