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How to Add, Change, and Reprogram a Mazda 3 Spare Key Whether you dropped your key fob on the ground or it simply stopped working, it's always best to have an extra key available. This article will tell you how to add, modify and re-programme your Mazda 3 keyfobs. A word of caution Certain keys require programming by a professional locksmith or dealer, whereas others do not. Be sure to only make use of official Mazda replacements for your key fob. How do you add an extra key You can add a second key if you don't have a spare key available or in the event that you break the one you have. To do this, you'll need an inexpensive flathead screwdriver as well as a new CR2025 battery. Once you've got the tools then it's time to open the key fob. First find the button that allows you to release the key. The button is on the underside the metal part. It's easy to find. Once you press the button, the back cover should fall off right away. Then, you can insert the head of the screwdriver into the notch or the space at the top of the metal part and pry it off. Insert your spare or new key into the slot after removing the accessory key. Set the ignition to ON, and wait about five seconds before turning it to OFF. This will allow the system to recognize the new key and start your vehicle in the future. It is only possible to program three keys to your Mazda 3. You don't want to utilize more than two key fobs in order to start your vehicle. This is a safety measure designed to prevent unauthorised users, such as valet drivers from activating your key and starting your car. How do I reprogram an unrepaired key? If you have a spare key it's best to know how to program it in the event the original key you had is stolen or lost. This will prevent unauthorized people from starting your vehicle or stealing it. This will work with any Mazda. You'll need two keys that are working to start the reprogramming process. If you don't own two keys that work then it's best to bring your Mazda to a dealer to have this completed. Start by getting into the driver's seat and shutting all doors, with the exception of the one that is open. Insert https://www.thekeylab.co.uk/mazda-car-keys/ working key in the slot, then set the ignition to the ON position. Then wait five seconds before taking out the key. Repeat with the second key. After you've programmed your new key, you'll have three working keys that you can use to start your car in the future. Test each key to ensure sure they're working correctly before placing them away. You should consider buying an extra Mazda 3 remote, especially if your car is prone to issues. You can purchase one online or at a local automotive store, but make sure to read the reviews before buying so that you aren't buying a key fob that's not compatible with your vehicle. How do I change the battery on a spare key It's depressing to find out that the key fob you used to use has gone out and you're in a position to not unlock your vehicle. It's simple to replace the battery yourself and save money at the dealer. The first step is to press the auxiliary key button on the back of the key fob. This will take out the metal key and reveal two slots on the opposite side of the case. The flathead should be inserted into one of these slots, and then gently pull the two halves of the case apart. When the battery is fully exposed, take it out of the case and place it somewhere you will not forget about it. Before you start, make sure that you have a new replacement battery. These batteries can be purchased at any retailer that sells batteries or from a Mazda dealer in Winter Garden. Choosing the correct battery will ensure that your key fob is working correctly. Replace the cap on the battery and then install the new battery. Be careful not damage the rubber ring on which the battery rests. The two halves should be pressed together until you hear the click. How to Reset the system's Keyless Entry System The Mazda 3 key fob is not just a convenient feature. It also serves as an element of security. If you lose your key or had it stolen the car won't start even if you've got the spare fob. This is because the key fob needs to be reset at the dealership to work once more. This could be a costly and stressful experience and it's a good idea to learn how to reset the system yourself.
To program the new key or spare, insert it into the slot and turn the ignition to ON. Keep the key in place for around five seconds, and then turn it off. The key information is now added to the vehicle's computer and the new fob will start your car. You can program up to three fobs however, you should only use one at one time. This will prevent unauthorized persons from copying the key and gaining access to your car. You can buy a new key fob online, however you'll need to visit an authorized locksmith or dealer to get it cut and programmed. |
