How to Add, Change, and Reprogram a Mazda 3 Spare Key

If you've dropped your key fob on the ground or it stopped working, it's recommended to keep a spare key on hand. This article will cover everything you need to be aware of when adding, changing, or changing your mazda key fob repair 3 key fobs.

A word of warning: some keys require programming by a professional locksmith or dealer, while others do not. Make sure you use only genuine Mazda replacements to replace your key fob.

How do you add an additional key

If you're not fortunate enough to receive a spare keys from the dealer when you buy your Mazda 3 or accidentally break your current key do not fret -- there's still the option of adding another key. To do this, you'll need a small screwdriver with a flat head and a new CR2025 battery. Once you have the items and tools, you're ready to open the key fob. Locate the auxiliary key release. The button is on the bottom of the metal portion. It's easy to locate. The back cover should come off as soon as you press the button. Next, place the screwdriver's head into the notch or spacing on the top of the metal piece 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 before turning it to OFF. This will register the new mazda key fob key's details to the system, allowing it to start your car in the future.

You can only program three keys on your mazda spare key 3. The final thing you want is to have more than two working key fobs and not being in a position to get your vehicle started. This is a security measure designed to prevent unauthorised users, like valet drivers, from activating your key and thereby launching your vehicle.

How do you reprogram an unrepaired key?

If you have a spare key, it's best to know how to program it if your original key is stolen or lost. This will prevent unauthorised persons from abusing your vehicle and re-starting it. This will work with any Mazda. You'll require two keys that work to begin the reprogramming. If you don't own two keys that work then it's best to bring your vehicle to a dealer to get this done.

Begin by getting in your driver's seat and closing the door, except for the one that's open. Put the first working key into the slot, then turn the ignition to the ON position. After five seconds, take the key out and repeat the process with the second working key.

After you've programmed your new key you should have 3 keys that will be able to start your car in the near future. Test each key to ensure sure they're working correctly before throwing them away.

It's a good idea buy an extra Mazda 3 key fob, particularly 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, but be sure to read the reviews before buying so that you can avoid getting a key fob that's not compatible with your vehicle.

How to change the Battery on a spare key

There's nothing more frustrating than discovering that the battery for your key fob has gone out and you're not able to unlock your car. Fortunately, it's easy to replace the battery and save some cash at the dealership.

Press the auxiliary key button on the back of the keyfob. This will detach the key made of metal and reveal an opening on each side of the case. Put the flathead screwdriver in one of these slots, and gently remove the two halves of the case. Once the battery is fully exposed, take it out and place the case somewhere that you won't forget about it.

Make sure you have an additional battery prior to beginning. They can be found at any store that stocks batteries or at a Mazda dealer near Winter Garden. Choosing the correct battery will ensure that your key fob works properly.

Replace the cap on the battery and then put in the new battery. Be careful not to scratch the small rubber ring that the battery is placed on. Press the two halves together until you hear the click.

How to reset the system's Keyless Entry System

The Mazda Flip key repair 3 key fob is not just a convenient feature. It's also an element of security. The car will not start if your key is stolen or lost even if you have a spare fob. This is because the key fob needs to be reset at the dealership to function properly. This can be an expensive and stressful experience therefore it's a great idea to understand how to reset the system yourself.

Remove the battery from the system for 15 minutes. This will eliminate any residual electricity from the on-board computer. Then, disconnect the LF -ECU and demand switch connectors. Check for continuity between the following 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 minutes. The key's information is added to the vehicle's computer and the new fob can start your vehicle. You can program up to three fobs, but you must only use one at one time. This will stop unauthorised people from copying your key and getting ahold of your vehicle. You can purchase a replacement mazda 3 key key fob online, but you'll need to visit an authorized locksmith or dealer to get it cut and programmed.