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How to Replace a Dead Mazda 5 Key FobYour Mazda 5 key fob has numerous excellent features. Some of them boost safety or performance, while others help make driving around East Stroudsburg, Brodheadsville, and Saylorsville more enjoyable.One of these handy features is the remote start system. If you’re having trouble getting your car started, it may be time to replace the battery in your keyfob.What is a keyfob?Key fobs are remote control that lets you unlock and start your vehicle without the need to insert a metal key in the ignition. It is a tiny, light device that has a microchip which holds information such as a unique ID and an antenna to transmit and receive signals. The microchip communicates through radio frequencies with the receiver inside your vehicle. These signals are a kind of near-field communication (NFC) that allows for contactless payments as well as other features that require proximity.Depending on the type of key fob you’ve got the system will have various features. For instance, certain devices will keep a record of who used the key and when, which can be hugely beneficial in preventing crime. There are also security measures that can be added to the system, such as keys that are encrypted, making it difficult to duplicate them. Prox cards are a popular fob type and are sometimes called 125khz cards, 26-bit proxy or proximity fobs.Always have a spare car key fob in the event that your original is stolen or lost. Many automakers allow you to self-program another key fob, which can be useful and cost-effective. It is important to understand that the procedure differs between manufacturers and might not be easy. It might take some time to determine the correct instructions and steps, but it’s worth it to get a reliable key fob that helps you reach your destination in safety.How do you open a keyfobNothing can be more frustrating than pressing the unlock button on your Mazda key fob only to discover that it’s not working. Whether you’re getting ready for your workday or coming home from an exciting afternoon at EAA Airventure, a dead key fob battery can really affect your plans.It’s easy to change the batteries in your key fob at home using a few simple tools. Holiday Mazda’s service team has put together this guide to assist you in opening a keyfob and replace the batteries.Use the auxiliary button on the backside of your key fob to remove the auxiliary piece of metal. After removing the auxiliary key, you will see an opening on either side of the case. Carefully pry the case open using a tape-wrapped screwdriver. how to open a mazda 5 key fob should be able to come apart without damaging the rubber ring beneath which the battery sits.Now that the battery is exposed remove the old one out and put it away in a place where you will not forget about it. Place the new battery in its original position, ensuring that the positive (+ side) of the battery faces up. After the battery is in place, close the case, making sure that both sides snap into place. Now you can use your Mazda keyfob again.What is the battery in a key fob?Button cells are the most commonly used type of battery used in key fobs. They are readily available at general stores, home improvement stores, as well as some auto parts stores. It is essential to choose the correct battery size for your key fob because different sizes of batteries have different discharge characteristics, which could affect the way your key fob works.The majority of the time you can determine the battery of your fob is dead by pressing any button on it and looking at the LED light that lights. If the light does not turn on then the battery is dead. It is time to get it replaced. You can also use a voltmeter to the battery to measure its voltage. A fully charged key fob battery should read about 3 Volts. If the battery reads less than 3 Volts, it is considered to be low and should be replaced.To replace the battery, first open your key fob. Find the notch that separates the two halves. You can use a screwdriver a knife or your fingers to push into this notch and wedge the halves apart. After the halves have been separated take a look for a screw that is seated on the back of the key fob and unscrew it. Keep the screw in a secure spot such as a resealable mug or bag to avoid losing it.How do you replace the battery on a key fob?A key fob attaches to the key ring. It 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 accomplish this. However, these signals are powered by battery power. Your Mazda will not be able to perform any action when the battery is dead. This can be a nightmare. Luckily, it’s relatively easy to replace the battery using the form of a key fob.The first step is to unlock the key fob by pushing the tip of a screwdriver into the seam where the two halves snap together. There is usually a notch in the seam, which makes tearing the halves apart more simple.After opening the case, gently pull on the key blade to release the battery. Put the new CR2025 batteries into the case, making sure that the positive side is facing up. Once the new battery is in place, place the black cover piece back on and then slide the key blade into position.This is a simple and easy process that can be accomplished at home in Springfield, though the steps will vary depending on your model year and key fob model. The staff at Eich is always there to answer any questions you might have.