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How to Add, Change, and Reprogram a Mazda 3 Spare Key
It's a good idea to keep a spare key on hand, whether you dropped the keyfob you were using or it was unable to function. This article will go over everything you should be aware of adding, changing, or changing the programming of your Mazda 3 key fobs.
Certain keys require programming from an experienced locksmith, whereas others don't. Use only authentic Mazda replacements to replace your key fob.
How do you add an additional key
If you're unable to find a spare key from the dealership when you buy your Mazda 3 or accidentally break your current key, don't worry -- there is still an option to make another key. You'll need the flathead screwdriver, as well as an CR2025 battery. Once you have the items then it's time to open the key fob. First, locate the auxiliary key release button. It's located underneath the metal portion and is easy to find. The cover on the back should fall off the moment you press the button. Then, you can insert the screwdriver's head into the notch or spacing at the top of the metal component and pry it off.
Insert the spare or new key into the slot after you have removed the auxiliary key. Turn on the ignition and wait for approximately five seconds, then set it to OFF. This will allow the system to recognize the new key and start your vehicle in the future.
It's important to keep in mind that you can only program up to three keys for your Mazda 3. You don't want to have to use more than two keys to start your vehicle. This is a security measure to stop unauthorised users from activating your keys and then starting your vehicle.
How to Reprogram a Spare Key
If you have a spare key, it's a good idea know how to reprogram it in the event that your original key is stolen or lost. This will prevent unauthorized people from opening your car or taking it. This method should work on any Mazda but you'll need two keys that work to begin the reprogramming. If you don't own two working keys, you should take your vehicle to a dealer to have this done.
Start by stepping into the driver's seat, shutting all doors, with the exception of the one that is open. Set the ignition to ON and insert the first functioning key. Wait five seconds, then take the key out and repeat the procedure with the second working key.
Once you've programmed your new key, you'll have three keys that you can use to start your vehicle in the future. Before you store each key, make sure that it's functioning properly.
You should think about purchasing an extra Mazda 3 remote, especially when your car is susceptible to problems. You can buy one online or at your local auto retailer, but make sure to read the reviews before purchasing so that you aren't purchasing an item that isn't compatible with your vehicle.
How do you change the battery using a spare key
There's nothing worse than finding that the battery for your key fob has failed and you are unable to unlock your car. It's a good thing that it's simple to replace the battery and save some cash at the dealership.
Press the auxiliary button on the back of the keyfob. This will remove the key auxiliary and reveal a slot on both sides of the case. Use the screwdriver's flathead to push it into one of these slots, and gently break the two halves of the case. When the battery is completely exposed, take it out and place it in a safe place somewhere safe from being lost.
Be sure to bring an extra battery in place prior to beginning. These batteries can be purchased at any store selling batteries or from a Mazda dealer in Winter Garden. Choosing the right battery will ensure that your key fob operates correctly.
Replace the battery cap and then install the new battery. Be careful not to scratch the rubber ring on which the battery rests. Then press the two halves of the key fob until you hear the sound of clicking.
How to Reset the Keyless Entry System
The key fob in your Mazda 3 is not only an extra convenience, but also an important security feature. If you lose your key or have it stolen, the car will not start even if you've got the spare key fob. This is because the fob that you have to be reprogrammed by the dealership to work again. This can be an expensive and time-consuming process It's a good idea to understand how to reset the system yourself.
Remove new mazda key from the system for 15 minutes. This will remove any residual electrical current from the computer on board. The next step is to disconnect the LF-ECU and demand switch connectors. Check for continuity between the terminals.
Put the key in the slot, and switch the ignition on. Switch off the ignition after about five minutes. The key's details will be added to your vehicle's computer, and the new fob will be able start your car in the future. You can program up to three fobs, but you must only use one at one time. This will stop unauthorized individuals from stealing your keys and getting access to your vehicle. You can purchase a new key fob online, but you'll still need to go to a locksmith or dealer in order to cut it and programmed.