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How to Add, Change, and Reprogram a Mazda 3 Spare Key
It's a good idea always to have a spare key on hand in case you lose your keyfob or it stopped working. This article will show you how to add, modify and re-programme your Mazda 3 keyfobs.
Warning: Some keys require programming from an experienced locksmith, whereas others do not. Only use authentic Mazda replacements to replace your key fob.
How to add a spare key
You can add a second key if you don't have a spare key or in the event that you break the one you already have. You'll need to use the flathead screwdriver, as well as a new CR2025 battery. Once you've got the tools you need, it's time to open the key fob. Locate the auxiliary key release. The button is beneath the metal part. It's easy to locate. Once you press the button, the cover will fall off instantly. Then, put the screwdriver's head into the notch at the top or the space, and pull the metal piece off.
Insert the spare or new key into the slot after taking out the additional key. Switch the ignition on and then wait for around five seconds before turning it to off. This will add the new information on the key to the system, allowing it to start your car in the future.
You can only program three keys on your Mazda 3. You don't want to utilize more than two key fobs in order to start your car. This is a safety precaution designed to prevent unauthorised users, like valet drivers who are not authorized to use your key and starting your car.
How to Reprogram a spare key
It's a smart idea know how to reprogram a spare key in the event that your original key is lost or stolen. This will prevent unauthorized people from starting your car, or taking it. This should work with any Mazda. You'll require two keys that work to begin the reprogramming. If you don't have two working keys it's recommended to take your car to a dealer to get this completed.
Begin by stepping into the driver's position, and close all the doors, except the one that is open. Turn the ignition on and insert the first functioning key. After five seconds, remove the key and repeat the process with the second working key.
Once you've completed programming your new key, you should have 3 keys that allow you to start your car in the future. Test each key to ensure sure that they're functioning properly before putting them away.
It's a good idea to buy an extra Mazda 3 key fob, especially if you're a driver who has a tendency to lose their keys or has other issues with it. You can buy one online or at a local automotive store. Make sure you look up reviews before you purchase to ensure you don't buy the wrong key fob that isn't compatible with your vehicle.
How to change the Battery on a Spare Key
It's awful to discover that your key fob has failed, and you are not able to unlock your vehicle. Luckily, it's easy to replace the battery and save yourself some money at the dealership.
Press the auxiliary button on the back of the keyfob. This will take out the key made of metal and reveal a slot on each side of the case. Use the screwdriver's flathead to push it into one of these slots. Then, gently remove the two parts of the case. When the battery is fully exposed, remove the case and put it somewhere you will not forget about it.
Before you start, make sure that you have a brand new replacement battery. These batteries can be purchased at any store that sells batteries or from a Mazda dealer in Winter Garden. Choosing the right battery will ensure that your key fob is working effectively.
Replace the cap on the battery, and then put in the new battery. Be careful not to damage the small rubber ring that the battery is placed on. Then press the two parts of the key fob together until you hear an audible click.
How can I reset the Keyless Entry System
The key fob inside your Mazda 3 is not only a convenience, it's also an important security feature. The car won't start if your key is lost or stolen even if you have an extra fob. This is because the fob that you have to be reprogrammed by the dealership in order to function properly. This could be a costly and stressful experience and it's a good idea to know how to reset the system yourself.
To reset the system, disconnect the battery for approximately 15 minutes. This will take out any remaining electrical current from the computer on board. Then, disconnect 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. Stop the ignition after approximately five minutes. The key information is now added to the computer in your car and the new fob can start your vehicle. You can program as many fobs you desire however only one should be used at any particular time. This stops unauthorized individuals from copying the key and gaining access to your vehicle. mazda 2 spare key can purchase a brand new keyfob from the internet, however it'll still need to be cut and programmed by an authorized dealer.