How to Add, Change, and Reprogram a Mazda 3 Spare Key
If you've dropped your key fob on the ground or it has stopped working, it's always recommended to keep an extra key in your pocket. This article will go over everything you need to be aware of when adding, changing, or changing your Mazda 3 key fobs.
A word of caution Certain keys need to be programmed by a locksmith professional or dealer, while other keys do not. Only use genuine Mazda replacements to replace your key fob.
How to Add a Spare Key
If you're unable to receive a spare keys from the dealer when you buy your Mazda 3 or accidentally break the one you have Don't fret, there is still a way to add another key. You'll need the flathead screwdriver, as well as the CR2025 replacement battery. Once you've got these items then it's time to open up the key fob to change the battery. Find the auxiliary key release. It's located underneath the metal piece and is easy to locate. Once you hit the button, the back cover will fall off instantly. Then, you can insert the screwdriver's head into the notch or the space at the top of the metal component and pull it away.
After the auxiliary keys are removed, insert your new or spare key into the slot. Turn the ignition on and wait for about five seconds, and then turn it to OFF. This will register the new key's details to the system which will 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 on your Mazda 3. You don't want to utilize more than two key fobs in order to start your car. This is a precautionary measure to stop unauthorised users from activating your keys and launching your car.
How do you reprogram an unrepaired key
It's a good idea to know how you can reprogram a spare key in the event that your original key is lost or stolen. This will prevent unauthorized people from starting your vehicle or stealing it. This process is compatible with any Mazda however, you'll require two keys that work to begin the reprogramming process. If you don't own two working keys, you'll need to take your vehicle to the dealership to get it done.
Begin by getting in your driver's seat and close the door, with the exception for the one that's been opened. Insert the first working key into the slot, then set the ignition to ON. Wait for five seconds, then remove the key and repeat with the second key.
After programming your new key you should have three keys that work to start your vehicle in the future. Test each key to make sure that they're operating correctly before throwing them away.
It is advisable to purchase an extra Mazda 3 remote, especially when your car is susceptible to problems. You can buy one online or in your local auto store. Make sure you review the reviews before buying to ensure that you don't get 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 not able to unlock your car. Luckily, it's easy to replace the battery and save yourself some cash at the dealership.
Press the auxiliary button on the back of the keyfob. This will remove the key auxiliary to reveal a slot on both sides of the case. Place the flathead in one of these slots and then gently pry the two halves apart. Once the battery has been fully exposed, take it out of the case and place it in a place where you won't forget it.
Make sure you have an extra battery in place prior to starting. These batteries can be purchased at any retailer that sells batteries or from a Mazda dealer in Winter Garden. The correct battery is essential to make sure that your keyfob functions correctly.
Replace the cap on the battery, and then put in the new battery. Be careful not to damage the rubber ring on which the battery rests. Finally press the two parts of the key fob until you hear the sound of a click.
How to Reset a Keyless Entry System
The Mazda 3 key fob is not just a convenience. mazda key fob battery serves as a security measure. The car won't start if the key is stolen or lost, even if you've got an extra key fob. This is because the key fob needs to be reset at the dealership in order to work once more. This can be a painful and costly process. Therefore, it's best to know how to reset the system.
Remove the battery from the system for 15 minutes. This will remove any remaining electric current from the onboard computer. Then, disconnect the connectors for the LF-ECU and the demand switch connectors. Then, verify the continuity between the following terminals:
Place the key into the slot, and switch the ignition on. The key should remain in the ignition for around five seconds, and then switch off. The key's information will be added to the vehicle's computer and the new fob will be able to start your car in the future. You can program as many fobs as desire however only one should be in use at any particular time. This will keep unauthorised individuals from stealing your keys and getting access to your car. You can buy a new key fob online, but you'll still need to visit an expert locksmith or dealer to cut it and programmed.