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How to Replace a Dead Mazda 5 Key Fob Your Mazda 5 key fob comes with numerous wonderful features. Certain of them enhance performance or safety, while others allow you to travel around East Stroudsburg, Brodheadsville, and Saylorsville easier. One of these useful features is the remote start system. If you're having trouble getting your car started it may be time to replace the battery on your key fob. What is an important key fob? A key fob can be used as remote control to unlock and start your vehicle without having to insert a metal ignition key. It's a tiny device equipped with a microchip in which information such as a unique ID is stored, and an antenna to send and receiving signals. The microchip transmits radio frequencies with the receiver in your vehicle. These signals are a form of near-field communication (NFC) which allow for contactless payment, as well as other features requiring proximity. Depending on the key fob type it will come with different capabilities. Certain systems, for instance, keep a record of who has entered the building and at what time. This is beneficial in preventing crimes. There are also security measures that could be added, like keys that are encrypted, making it impossible to copy them. Prox cards are a well-known fob type and are sometimes called 125khz cards, 26-bit proxy, or proximity fobs. It's recommended to have a spare key fob to your vehicle in the event that one is lost or stolen. Some automakers allow you to program another key fob, which can be convenient and cost-effective. But it's important to keep in mind that the process may vary by manufacturer and is not always straightforward. You may have to do some research to find the proper instructions and steps. However, it is worth it to have a reliable key fob to help you reach your destination without any hassle. How do I open a key fob It's a pain to discover that your Mazda key fob won't unlock. When you're getting ready for your workday or returning from an exciting afternoon at EAA Airventure, a dead key fob's battery can affect your plans. Luckily, changing the battery in your key fob is simple and can be done at home using just the right tools. The Service team at Holiday Mazda has put together this useful guide on how to open a key fob and replace the battery. Press the auxiliary button located on the back of the key fob to take off the auxiliary metal. Once the key is removed, you should see an opening on either side of the case. Simply pry open the case by using a tape-wrapped screwdriver. It should fall apart easily without damaging the rubber ring which the battery sits. Once the battery has been exposed, take the old one out and put it away somewhere where you'll never forget it. Then, place the new battery in its new location, making sure that the positive (+) side of the battery is facing upwards. After the battery is in place, you can close the case making sure both sides snap into the correct position. You're now ready to use your Mazda key fob again! What is the battery needed for the key fob? Most key fobs have small, coin-shaped batteries that are known as button cells. They are readily available at general stores, home improvement stores, and some auto parts stores. It is vital to select the correct size battery for your keyfob. read what he said have different discharge characteristics which could affect how your keyfob functions. It is usually possible to tell if the battery in your key fob is dead by pressing the buttons, and then watching the LED light. If the light does not turn on it means the battery is dead. It needs to be replaced. You can also check the battery with a voltmeter to determine the voltage it is running at. A fully charged key fob should display about 3 Volts. If the battery reads less than 3 Volts it should be replaced. To replace the battery, first remove your key fob. Find the notch that divides the two halves. You can use a screwdriver a knife, or your finger to push into this notch to wedge the two halves apart. After the two halves have been separated and you have found screws that are tucked away on the back of the key fob and remove it. Place the screw in a convenient place like a resealable cup or bag to avoid losing it. How to replace a key fob's battery? Key fobs are small device that is attached to your key ring, with buttons that let you lock and unlock your car and even start it remotely (one of the many possible uses for these little devices). The fob transmits an electronic signal to the car that permits it to do this, but that signal runs on battery power. Your Mazda won't be able to perform any action if the battery dies. This could be a nightmare. Luckily, it's relatively easy to replace the battery using the form of a key fob. The first step for opening the key fob is to insert the screwdriver's tip into the place where the halves join. There is usually a notch in the seam which makes pulling the two halves apart much more simple. After you've opened the case, take out the old battery by gently pulling the key blade until it triggers a tab and it pulls away from the case. The new CR2025 should be inserted into the case, making sure the plus side is up. Once the new battery is installed take off the black cover piece and slide the blade in place. It's a straightforward and quick process that you could perform at your home in Springfield. The steps vary based on your model and the type of key fob you have. The staff at Eich is always ready to answer any questions you have.