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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 an excellent idea to keep a spare key on hand. This article will tell you how to add, change, and reprogramme your Mazda 3 keyfobs.
Certain keys require programming by professional locksmiths, while others do not. Only use authentic Mazda replacements to replace your key fob.
How do I add an additional key
You can also add a second key if you don't have a spare key available or in the event that you break the one you already have. To do this, you'll need an incredibly small screwdriver, a flathead screwdriver, and an CR2025 battery that's new. Once you've got these items then it's time to open the key fob. Find the key release auxiliary. It's located on the underside of the metal portion and is easy to find. The cover that covers the back should come off as soon as you press the button. Then, insert the screwdriver's head into the notch on top or in the space, and take the metal part away.
After the auxiliary keys are removed, insert the new or spare key into the slot. Turn on the ignition and wait for about five seconds, and then turn it to OFF. This will allow the system to recognize the new key and begin your vehicle in the future.
You can only program three keys on your Mazda 3. You don't want to use more than two key fobs in order to start your car. This is a security measure to prevent unauthorized users from activating your keys and launching your vehicle.
How to Reprogram a spare key
It's a smart idea to be aware of how to reprogram an extra key in the event that your original key is lost or stolen. This will stop unauthorized persons from taking your car and then starting it. This should work with any Mazda. You'll need two keys that are functioning to begin the reprogramming process. If you don't have two keys that work, it's best to take your car to a dealer to have this done.
Begin by stepping into your driver's seat, and closing the door, except for the one that's opened. Set the ignition to ON and insert the initial working key. For five seconds, remove the key and repeat the process with a second working key.
After you've completed programming your new key, you'll have three working keys you can use to start your vehicle in the future. Before you store each key, make sure that it's functioning properly.
It's a good idea to buy a spare Mazda 3 key fob, especially if your car is one who is prone to losing keys or has other issues with it. You can purchase one on the internet or in your local auto store. Be sure to read reviews before purchasing to ensure you don't buy one that's not compatible with your vehicle.
How do you change the battery with a spare key?
There's nothing more frustrating than finding that the battery for your key fob has died and you can't unlock your car. It's not a problem to replace the battery and save some cash at the dealership.
Press the auxiliary key button on the back of the keyfob. This will release the metal auxiliary key and expose an opening on both sides of the case. Use the screwdriver's flathead to push it into one of these slots and then gently break the two halves of the case. Once the battery is fully exposed, remove it and place it in a safe place somewhere that you won't forget about it.
Be sure to have a replacement battery prior to beginning. They can be bought at any store selling batteries or from a Mazda dealer in Winter Garden. The correct battery is crucial to ensure that your keyfob works properly.
Replace the cap on the battery, and then replace the battery. Be careful not to scratch the small rubber ring the battery rests on. Then press the two halves of the key fob together until you hear an audible click.
How to Reset the system's Keyless Entry System
The key fob on your Mazda 3 is not only an added convenience, but it's also an important security feature. The car won't start if the key is lost or stolen, even if you've got a spare key fob. This is because the fob that you have to be reset at the dealership to work again. It's a difficult and costly process. Therefore, it's advisable to learn how you can reset the system.
To reset the system, unplug the battery for around 15 minutes. This will erase any residual electrical power in the on-board computer. Then, disconnect the LF-ECU connector and the demand switch connectors. Verify that the connections are in good order between the terminals.
To program a new key or a spare, insert it into the slot and set the ignition to ON. The ignition should be turned off after about five seconds. mazda 6 key fob is added to the computer in your car and the new fob is able to start your vehicle. You can program any number of fobs you need but only one can be used at a certain time. This stops unauthorized individuals from copying the key and gaining access to your car. You can purchase a new key fob online, however you'll need to visit a dealer or locksmith to get it cut and programmed.