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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 handy. This article will provide everything you should be aware of the process of adding, changing, and changing your Mazda 3 key fobs.
A word of warning Certain keys need to be programmed by a locksmith professional or dealer, while other keys do not. Be sure to only use genuine Mazda replacements for 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 your current one Don't fret, there's still an option to make another key. You'll need the flathead screwdriver, as well as the CR2025 replacement battery. Once you have these items and are ready to remove the key fob and replace the battery. First look for the key release button for the auxiliary key. It's located underneath the metal component and is easy to find. Once you press the button, the cover will fall off instantly. Then, insert the screwdriver's head into the notch, or the spacing at the top of the metal piece and then pull it off.
Insert your new or spare key into the slot after taking out the secondary key. Set the ignition to ON and wait for about five seconds before setting it to off. This will register the new key's information to the system, allowing it to start your car in the future.
It's important to note that you can only program up to three keys on your Mazda 3. The last thing you want is to have more than two working key fobs, and not be in a position to get your car started. This is a precautionary measure to stop unauthorized users from activating your key fobs and starting your car.
How do you reprogram a spare key?
It's a good idea to learn how you can reprogram a spare key in the event that the original key is lost or stolen. This will stop unauthorised people from starting your vehicle or stealing it. This process should work on any Mazda but you'll need two keys that work to begin the reprogramming. If you don't have two working keys then it's best to bring your car 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. Turn the ignition on and insert the initial working key. Take five seconds before removing the key. Repeat the process with the second key.
After programming your new key you should have three keys that work to start your vehicle in the future. Before placing each key in storage, make sure it's functioning correctly.
It's a good idea to purchase a spare Mazda 3 key fob, especially if you're a driver who frequently loses their key or has other issues with it. It's possible to find one on the internet or at your local auto store, but be sure to read the reviews before buying so that you can avoid purchasing the wrong key fob compatible with your car.
How do you change the battery using a spare key
It's depressing to find out that your key fob is dead and you're locked out of your vehicle. It's easy to change the battery yourself and save money at the dealership.
Press the auxiliary key button located at the back of the keyfob. This will release the key's metal cover and reveal a slot on each side of the case. Put the flathead screwdriver in one of these slots. Then, gently remove the two sides of the case. Once the battery is fully exposed, remove the case and put it in a spot where you'll never forget it.
Before you begin, be sure that you have a new replacement battery. They can be found at any retailer that sells batteries or at an Mazda dealer near Winter Garden. The right kind of battery is crucial to ensure that your key fob functions correctly.
Replace mazda key fob replacement and then insert the new battery. Be careful not to scratch the rubber ring that holds the battery. Finally press the two parts of the key fob together until you hear the sound of clicking.
How to Reset the Keyless Entry System
The Mazda 3 key fob is not just a convenient feature. It's also a security feature. If you lose your key, or have it stolen, the car will not start, even if you have the spare fob. The key fob needs to be reset by the dealer to make it work again. It can be a frustrating and costly experience. Therefore, it's recommended to know how to reset the system.
Remove the battery from the system for 15 minutes. This will remove any remaining power from the on-board computer. Then, disconnect the connectors for the LF-ECU and the demand switch connectors. Check for continuity between the following terminals:
Place the key in the slot, then turn on the ignition. Leave the key in for around five seconds and then turn it off. The key's details are now transferred to the computer of your vehicle and the new fob will start your vehicle. You can program as many fobs you desire but only one can be utilized at any particular time. This prevents unauthorized people from copying the key and getting ahold of your vehicle. You can purchase a brand new key fob online, however you'll need to visit an expert locksmith or dealer to get it cut and programmed.