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How to Replace a Dead Mazda 5 Key Fob There are a variety of fantastic features that are included in your Mazda 5 key fob. Some of them boost safety or performance, 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 experiencing difficulty starting your vehicle, it might be time to change the battery on your key fob. What is a keyfob? Key fobs are remote control that lets you open and start your vehicle without the need to insert a metal key in the ignition. It is a small, lightweight device with a microchip that stores information such as an unique ID as well as an antenna to send and receive signals. The microchip communicates with the receiver in your car through radio frequencies. These signals are a type of near-field communications (NFC), which also allows for contactless payments and other features that require proximity. Depending on your key fob's design the key fob will have various capabilities. Certain systems, for instance keep track of who was in the building and when. This is beneficial in preventing crimes. There are additional security measures that can be added, like keys that are encrypted, making it more difficult to copy them. Prox cards are a very popular fob design and are commonly called 26-bit prox, 125khz card, or proximity fobs. It's wise to have a spare key fob for your vehicle in the event that one is stolen or lost. A lot of automakers permit you to self-program another key fob, which can be convenient and cost-effective. But it's important to be aware that the process may vary according to the manufacturer and isn't always simple. It could take some time to locate the right instructions and steps, but it's worth it to get a reliable key fob to help you get to your destination in safety. How to open a key fob It is frustrating to find that your Mazda key fob isn't working. When you're getting ready for your day at the office or returning home from an adventure-filled afternoon at EAA Airventure, a dead key fob battery can really affect your plans. It's simple to change the batteries in your key fob at home using just a few simple tools. Holiday Mazda's customer service team has created this guide to help you open the keyfob, and then replace the batteries. Press the auxiliary button on the backside of your key fob to take off the auxiliary metal. Once mazda key fobs has been removed, there should be a slot on either side of the case. Simply pry open the case using a tape-wrapped screwdriver. It should fall apart easily without harming the rubber ring which the battery rests. Now that the battery is exposed, take the old one out and place it in a safe place somewhere you won't forget about it. Then, put the new battery in its new location, making sure that the positive (+) side of the battery is facing upwards. Once the new battery is in place, close the case making sure both sides snap into the correct position. You're now ready to use your Mazda key fob once more! What is the battery needed for the key fob? The majority of key fobs are powered by small, coin-shaped batteries called button cells. These batteries can be found in many places including general stores, home improvement centers, and auto parts stores. It is crucial to select the correct battery size for your key fob as different battery sizes have varying discharge characteristics, which may impact how well your key fob functions. You can usually tell when the battery in the key fob is depleted by pressing the buttons and then observing the LED light. If the light does not come on then the battery is dead. It's time to get it replaced. You can also use a voltmeter on the battery to measure its voltage. A fully charged key fob should show approximately 3 Volts. If the battery shows less than 3 Volts, it is considered to be low and should be replaced. To replace the battery, first remove your key fob. Find the notch which divides the two halves. You can use a screwdriver a knife or your fingers to push into the notch and wedge the halves apart. Once the halves are separated, loosen the screw that is holding the key fob in the back. Store the screw in a safe location such as a resealable container or bag to prevent losing it. How do you replace the battery on a key fob? Key fobs are attached to the key ring and has buttons that can be used to lock or unlock your car and even remotely start it (one of their many nefarious uses). The fob transmits wireless signals that allow the car to perform this. However, these signals are powered by batteries. Your Mazda will not be able to operate when the battery is dead. This could be a major inconvenience. It's easy to replace the key fob battery. The first step for opening the key fob is to insert the tip of the screwdriver in the seam where the halves snap. There is often a notch in this seam, which makes tearing the two halves apart more simple. After opening the case, take out the old battery by gently pulling the key blade until it triggers an apex and pulls out of place. Push the new CR2025 battery into position, making sure that the plus side is facing up. Once the new battery has been installed place, slide the black cover piece back on and then slide the key blade back into place. It's a simple and quick procedure that you can perform at your home in Springfield. The steps will vary based on your model and key fob type. The team at Eich is always ready to answer any questions you may have.