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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 stopped working, it's a good idea to have a spare key handy. This article will cover everything you must know about the process of adding, changing, and changing the programming of your Mazda 3 key fobs.
A word of warning: some keys require programming by a professional locksmith or dealer, whereas other keys do not. Use only official Mazda replacements to replace your key fob.
How to Add a Spare Key
If you're not lucky enough to get a spare key from the dealer when you buy your Mazda 3 or accidentally break the one you have Don't fret, there's still a way to add another key. To accomplish this, you'll require an incredibly small screwdriver, a flathead screwdriver, and an updated CR2025 battery. Once you've got all the equipment you need, it's time to open the key fob. First, locate the button that allows you to release the key. The button is on the underside of the metal part. It's easy to locate. When you hit the button, the back cover should be removed immediately. Next, place the head of the screwdriver into the notch or space at the top of the metal piece and pull it off.
After the auxiliary keys are removed, insert the new or spare key into the slot. Set the ignition to ON and wait for five seconds before turning it to off. This will register the new key's information to the system, allowing it to start your car in the future.
It is important to remember that you can only program up to three keys on your Mazda 3. The most important thing is to have more than two functioning key fobs but not be in a position to get your vehicle started. This is a safety precaution designed to prevent unauthorized users, like valet drivers, from activating your key and thereby starting your car.
How to Reprogram a Spare Key
If you have a spare key it's a good idea to know how to program it in the event your original key is stolen or lost. This will prevent unauthorised persons from getting into your car and causing damage to it. This process is compatible with any Mazda however you'll need two working keys to start the reprogramming process. If you don't own two working keys, you should take your car to a dealer to get this done.
Start by stepping into the driver's seat and closing all the doors except the one that is open. Put the first working key into the slot, then set the ignition to the ON position. Wait five seconds before removing the key. Repeat the process with the second key.
After programming your new key, you'll have three keys that work to start your car in the near future. Check each key to make sure that they're operating correctly before throwing them away.
It is advisable to purchase an extra Mazda 3 remote, especially in the event that your vehicle is prone to issues. You can buy one online or at your local automobile store, but make sure to read the reviews before buying so you can avoid getting the wrong key fob compatible with your car.
How do you change the battery with a spare key?
There's nothing more frustrating than discovering that the battery on your key fob failed and you are unable to unlock your car. It's simple to replace the battery yourself and save money at the dealership.
Press the auxiliary button on the back of the keyfob. This will release the metal auxiliary key and expose a slot on both sides of the case. The flathead should be inserted into one of these slots and then gently push the two halves apart. After the battery is fully exposed, remove the case and place it somewhere you will not forget about it.
Be sure to have an additional battery prior to beginning. They can be bought at any store selling batteries or from a Mazda dealer in Winter Garden. Using the right type of battery will ensure that your key fob works correctly.
Next, put the replacement battery in place and replace the cap on the battery. Be careful not to scratch the rubber ring that holds the battery. Press the two halves together until you can hear the click.
How can I reset the Keyless Entry System
The Mazda 3 key fob is not just a convenient feature. It's also a security measure. The car won't start if the key is stolen or lost, even if you've got a spare fob. This is because the fob that you have to be reprogrammed by the dealership in order to work once more. It's a difficult and expensive ordeal. Therefore, it's recommended to learn how you can reset the system.
To reset the system, disconnect the battery for approximately 15 minutes. This will remove any remaining electrical current from the computer on board. Next, disconnect both the LF-ECU and demand switch connectors. Verify that the connections are in good order between the terminals.
To program a new key, or a spare, place it in the slot and turn the ignition to ON. www.g28carkeys.co.uk should be turned off after about five seconds. The information from the key will be added to the vehicle's computer and the new fob will be able start your vehicle in the future. You can program as many fobs as you want however only one must be used at a certain time. This will stop unauthorized individuals from stealing your key and gaining access to your vehicle. You can purchase a brand new keyfob from the internet, however it must be programmed and cut by a dealer.