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 always a good idea to have an extra key in your pocket. This article will explain how to add, modify or reprogramme the Mazda 3 keyfobs.
Be aware that some keys require programming from an experienced locksmith, whereas others don't. Make sure to make use of official Mazda replacements for your key fob.
How do you add an extra key
You can also add a second key if you don't have a spare key or when you accidentally damage the one you have. You'll need a flathead screwdriver and an CR2025 battery. Once you've got the tools and tools, you're ready to open the key fob. Find the key release auxiliary. It's located underneath the metal portion and is easy to locate. The cover that covers the back should come off as soon as you press the button. Then, insert the head of the screwdriver into the notch or the space on the top of the metal part and then pull it off.
Insert the spare or new key into the slot following the removal of the accessory key. Turn on the ignition and then wait for around five seconds, and then turn it to OFF. This will register the new key's details to the system and allow it to start your car in the future.
It's important to keep in mind that you can only program up to three keys for your Mazda 3. The one thing you don't want is to have more than two working key fobs but not be in a position to get your vehicle started. This is a safety measure designed to stop unauthorized users, such as valet drivers, from activating your key and thereby launching your vehicle.
How to reprogram a spare key
It's smart to learn how you can reprogram an extra key in the event that your original key is lost or stolen. This will stop unauthorized persons from starting your vehicle or stealing it. This should work with any Mazda. You will require two keys that are working to begin the reprogramming process. If you don't have the two working keys, you'll need bring your vehicle to the dealership to get it done.
Begin by putting yourself in the driver's seat, and close the door, with the exception for the one that's already opened. Set mazda replacement key cost to ON and insert the first functioning key. After five seconds, remove the key and repeat the process with a second working key.
After you've programmed your new key, you'll have three keys that start your car in the near future. Test each key to ensure sure they're working correctly before putting them away.
You should think about buying an extra Mazda 3 remote, especially when your car is susceptible to issues. It's possible to find one on the internet or at a local automotive retailer, but make sure to read reviews before purchasing so that you can avoid getting one that's not compatible with your car.
How to change the Battery on a spare Key
It's depressing to find out that your key fob has died, and you are in a position to not unlock your vehicle. It's easy to change the battery yourself and save money at the dealer.
Press the auxiliary key button at the back of the keyfob. This will release the metal auxiliary key and expose a slot on both sides of the case. Use the screwdriver's flathead to push it into one of these slots. Then, gently pry apart the two sides of the case. When the battery is completely exposed, take it out and place the case somewhere you won't forget it.
Before you begin, be sure that you have a new replacement battery. You can find these at any store that sells batteries or at an Mazda dealer near Winter Garden. The right type of battery is crucial to ensure that your keyfob works properly.
Replace the cap of the battery and then insert the new battery. Be careful not to damage the rubber ring on which the battery rests. Finally, 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 that you have in your Mazda 3 is not only an option for convenience, it's an important security feature. The car will not start if your key is lost or stolen even if you have an extra key fob. This is because the key fob has to be reprogrammed at the dealership to work again. This could be a costly and frustrating experience It's a good idea to know how to reset the system yourself.
To reset the system, remove the battery for approximately 15 minutes. This will remove any remaining power from the on-board computer. The next step is to disconnect the LF-ECU and demand switch connectors. Then, verify the continuity between the following terminals:
Insert the key into the slot and switch on the ignition. Turn off the ignition after about five minutes. The key information will now be added to your vehicle's computer, and the new fob will be able start your vehicle in the future. You can program up to three fobs however, you should only use one at one time. This will prevent unauthorized persons from copying your key and gaining access to your car. You can purchase a brand new keyfob from the internet, however it'll still need to be cut and programmed by a dealer.