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

Whether you dropped your key fob on the floor or it simply stopped working, it's recommended to keep an extra key in your pocket. This article will go over everything you should be aware of when changing, adding, and changing the programming of your 2009 Mazda 6 key fob 3 key fobs.

A word of caution Certain keys need to be programmed by a professional locksmith or dealer, whereas other keys don't. Make sure you only make use of official Mazda replacements for your key fob.

How to add an extra key

You can add a second key if you don't have a spare key or if you accidentally damage the one you already have. To accomplish this, you'll need a small flathead screwdriver and an updated CR2025 battery. Once you've got all the equipment then it's time to open the key fob. First find the button that allows you to release the key. It's located on the underside of the metal piece and is easy to locate. When you press the button, the back cover should be removed immediately. Then, put the screwdriver's head into the notch at the top or into the space and pry the metal part off.

Insert your new or spare key into the slot after taking out the secondary key. Set the ignition to ON, and wait for mazda 3 remote key around five seconds before setting 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 in your Mazda 3. You don't want to have to utilize more than two keys to start your car. This is a security measure to stop unauthorised users from activating your keys and launching your car.

How to Reprogram a Spare Key

If you have a spare key, it's a good idea be aware of how to program it in the event the original key you had is lost or stolen. This will keep unauthorized people from getting into your car and causing damage to it. This should work with any Mazda. You will require two keys that are working for the reprogramming to begin. If you don't own two working keys it's recommended to take your car to a dealer to have this completed.

Begin by getting into your driver's seat, and close the door, except for the one that's been opened. Insert the first working key in the slot, and then turn the ignition to ON. Take five seconds before removing the key. Repeat with the second key.

After you finish programming your new key, you should have 3 keys that will allow you to start your car in the 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 in cases where your car is prone to problems. You can buy one online or at your local auto retailer, but make sure to read reviews before buying so that you aren't buying one that's not compatible with your car.

How to Change the Battery on a spare Key

It's a nightmare to discover that your key fob has died, and you are unable to unlock your car. 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 remove the metal key auxiliary to reveal a slot on both sides of the case. Put the flathead screwdriver in one of these slots. Then, [Redirect-302] gently take apart the two halves of the case. After the battery is fully exposed, take it out of the case and place it somewhere you will not forget it.

Before you begin, make sure you have a new replacement mazda key battery. They can be found at any retailer that sells batteries or at an Mazda dealer near Winter Garden. The correct battery is essential to ensure that your key fob functions correctly.

Replace the cap on the battery, and then put in the new battery. Be careful not damage the rubber ring on which the battery rests. Then, press the two halves of the key fob together until you hear an audible click.

How do you reset the Keyless Entry System

The key fob that you have in your Mazda 3 is not only an added convenience, but it's also an important security feature. The car won't start if your key is stolen or lost, even if you've got an extra fob. This is because the fob that you have to be reset at the dealership in order to work properly. It's a difficult and costly experience. Therefore, it's best to know how to reset the system.

To reset the system, remove the battery for about 15 minutes. This will eliminate any residual electric current from the onboard computer. Then, disconnect both LF-ECU connector and the demand switch connectors. Verify the continuity between the next terminals.

To program a new key or a spare, insert it into the slot and set the ignition to ON. Keep the key in place for around five seconds and then switch it off. The key's information will be saved to your car's computer, and the new fob will be able to start your car in the future. You can program up to three fobs however, you should only use one at one time. This will prevent unauthorised people from stealing your keys and gaining access to your vehicle. You can purchase a replacement key fob online, however you'll still need to go to a dealer or locksmith to have it cut and programmed.