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"Ask Me Anything": Ten Responses To Your Questions About Mazda 6 Key
How to Add, Change, and Reprogram a Mazda 3 Spare Key


It's a good idea always to keep a spare key on hand no matter if you've dropped the keyfob you were using or it has stopped working. This article will explain everything you should learn about adding, changing, and programming your Mazda 3 key fobs.

Certain keys require programming from an experienced locksmith, whereas others don't. Be sure to only use official Mazda replacements for your key fob.

How to add a spare key

If you're not lucky enough to find a spare key from the dealer when you purchase your Mazda 3 or accidentally break the one you have Don't fret, there's still an option to get another key. To accomplish this, you'll need a small screwdriver with a flat head and an CR2025 battery that's new. Once you have the items you need, it's time to open the key fob. First, locate the button that allows you to release the key. It's located on the bottom of the metal portion. It's easy to find. Once you press the button, the back cover should slide off immediately. Then, put the screwdriver's head in the notch on top or the space and take the metal part away.

Insert your spare key or a new one into the slot following the removal of the auxiliary key. Switch the ignition on and wait for approximately five seconds, then turn it to OFF. This will allow the system to recognize the new key and start your vehicle in the future.

You can only program three keys on your Mazda 3. You don't want to use more than two key fobs in order to start your car. This is a safety precaution designed to prevent unauthorised users, such as valet drivers from activating your key and starting your car.

How to reprogram mazda key programming

If you have a spare key it's important to know how to program it in the event your original key gets stolen or lost. This will prevent unauthorised persons from taking your car and then starting it. This process is compatible with any Mazda however, you'll require two keys working to begin the process of reprogramming. If you don't have the two working keys, you'll have to take your vehicle to a dealership to complete the process.

Start by stepping into the driver's position and close all the doors, except the one that is open. Turn the ignition on and insert the first working key. After five seconds, remove the key. Repeat the process with the second key.

Once you've completed programming your new key you should have three keys that will start your vehicle in the future. Test each key to be sure that they're operating correctly before throwing them away.

You should think about buying an extra Mazda 3 remote, especially in cases where your car is prone to problems. You can purchase one on the internet or in your local auto store. Be sure to review the reviews before buying so that you don't get an item that isn't compatible with your vehicle.

How to change the battery on a spare key?

There's nothing more frustrating than discovering that your key fob battery has failed and you are unable to unlock your vehicle. It's easy to change the battery yourself and save money at the dealership.

Press the auxiliary key button on the back of the keyfob. This will take out the metal key auxiliary to reveal a slot on both sides of the case. Use the screwdriver's flathead to push it into one of these slots and gently take apart the two parts of the case. When the battery is completely exposed, take it out and set aside the case somewhere safe from being lost.

Be sure to have an extra battery in place before you start. You can purchase them at any store that stocks batteries or at a Mazda dealer near Winter Garden. Using the correct type of battery will ensure that your key fob is working properly.

Replace the cap on the battery and then put in the new battery. Be careful not damage the rubber ring that holds the battery. Then press the two halves of the key fob until you hear the sound of a click.

How do you reset the Keyless Entry System

The key fob on your Mazda 3 is not only an option for convenience, it's an important security feature. The car won't start if your key is lost or stolen even if you have an extra key fob. The key fob needs to be reprogrammed by a dealer to allow it to work again. It can be a costly and frustrating experience therefore it's a great idea to understand how to reset the system yourself.

To reset the system, remove the battery for approximately 15 minutes. This will eliminate any remaining electrical power in the on-board computer. Then, disconnect the LF -ECU and demand switch connectors. Then, verify the continuity between the following terminals:

Put the key in the slot, then turn the ignition ON. Put the key in for about five seconds and then switch it off. The key's information has been stored in the car's computer and the new fob is able to start your vehicle. You can program up to three fobs however, you should only use one at a time. This will prevent unauthorized persons from copying your key and getting ahold of your car. You can purchase a new key fob online, however you'll still need to go to a dealer or locksmith to have it cut and programmed.