4 Dirty Little Secrets About The Mazda 6 Key Industry

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

Whether you dropped your key fob on the floor or it has stopped working, it's always an excellent idea to keep an extra key in your pocket. This article will explain how to add, change, and reprogramme your Mazda 3 keyfobs.

Be aware that some keys require programming by an experienced locksmith, whereas others do not. Make sure to make use of official Mazda replacements for your key fob.

How do I add a spare key?

You can add another key in the event that you don't have a spare key available or if you accidentally break the one you already have. You'll need to use the flathead screwdriver, as well as the CR2025 replacement battery. Once you've got these items then it's time to open the key fob. First, locate the key release button for the auxiliary key. It's located under the metal component and is easy to locate. The back cover should slide off the moment you press the button. Then, insert the head of the screwdriver into the notch, or the spacing at the top of the metal part and pull it away.

Insert your spare key or a new one into the slot after removing the auxiliary key. Set the ignition to ON, and wait for around five seconds before turning 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. The last thing you want is to have more than two functioning key fobs and not being in a position to get your vehicle started. This is a safety precaution designed to prevent unauthorised users, like valet drivers who are not authorized to use your key and thereby launching your vehicle.

How do I reprogram a spare key?

It's a smart idea to learn how you can reprogram an extra key in the event that the original key is lost or stolen. This will stop unauthorised people from starting your car or stealing it. This procedure should work with any mazda key fob replacement but you'll need two working keys to begin the reprogramming. If you don't have two keys that function, you should take your Mazda to the dealer to get this done.

Start by getting into the driver's position and close all the doors, except the one that is open. Insert the first working key in the slot, then turn the ignition to ON. After five seconds, remove the key and repeat the process with the second key.

Once you've completed programming your new key you should have 3 keys that be able to start your car in the near future. Before placing each key in storage, make sure it's working properly.

You should consider buying a spare Mazda 3 remote, especially when your car is susceptible to issues. You can purchase one on the internet or at your local auto store. Make sure you look up reviews before you purchase to ensure you don't buy the wrong key fob that isn't compatible with your vehicle.

How to Change the Battery on a spare Key

There's nothing worse than finding that the battery for your key fob has gone out and you're not able to unlock your car. It's not a problem to replace the battery and save yourself some money at the dealer.

Press the auxiliary key button at the back of the keyfob. This will release the metal key auxiliary and reveal slots on both sides of the case. Press the flathead into one of these slots, and then gently push the two halves apart. When the battery is completely exposed, take it out and put it away somewhere safe from being lost.

Be sure to bring a replacement battery prior to starting. They can be bought at any store selling batteries or from a Mazda dealer in Winter Garden. Choosing the right battery will ensure that your key fob works effectively.

Replace the cap of the battery and then insert the new battery. Be careful not to scratch the small rubber ring the battery is placed on. The two halves should be pressed together until you can hear the click.

How to reset the system's Keyless Entry System

The Mazda 3 key fob is not just a convenience. It's also a security feature. The car won't start if the key is stolen or lost even if you have an extra key fob. This is because the key fob needs to be reprogrammed at the dealership in order to work properly. It can be a frustrating and costly experience. Therefore, it's recommended to know how to reset the system.

Remove the battery from the system for 15 minutes. This will eliminate any remaining power from the on-board computer. Then, disconnect the LF ECU and demand switch connectors. Then, check continuity between the following terminals:

Put the key in the slot, and turn the ignition ON. The key should remain in the ignition for about five seconds, then switch it off. The information from the key will be added to the vehicle's computer and the new fob will be able to start your vehicle in the future. You can program up to three fobs, but you should only use one at one time. This prevents unauthorized people from copying your key and getting ahold of your vehicle. You can purchase a brand new key fob online, however you'll still need to visit an expert locksmith or dealer to cut it and programmed.