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How to Add, Change, and Reprogram a Mazda 3 Spare Key
It's a good idea to have a spare key on hand regardless of whether you lost the keyfob you were using or it has stopped working. This article will go over everything you must learn about adding, changing, and reprogramming your Mazda 3 key fobs.
A word of caution Certain keys require programming by a locksmith professional or dealer, whereas others don't. Only use authentic Mazda replacements to replace your key fob.
How to add a spare key
If you're not lucky enough to get a spare key from the dealer when you buy your Mazda 3 or accidentally break your current key Don't fret, there's an option to get another key. To accomplish this, you'll require an inexpensive flathead screwdriver as well as an CR2025 battery that's new. Once you have these items you can open the key fob and replace the battery. First find the button that allows you to release the key. It's located on the bottom of the metal part. It's easy to locate. The cover on the back should fall off the moment you press the button. Then, you can insert the screwdriver head into the notch at the top or into the space and remove the metal part.
Insert your spare or new key 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 register the new information on the key to the system and allow it to start your vehicle in the future.
It's important to note that you can only program up to three keys for your Mazda 3. The final thing you want is to have more than two functioning key fobs and not be capable of getting your vehicle started. This is a safety measure designed to prevent unauthorised users, like valet drivers who are not authorized to use your key and starting your vehicle.
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 your original key is stolen or lost. This will prevent unauthorised persons from getting into your car and causing damage to it. This will work with any Mazda. You will require two keys that work for the reprogramming to begin. If you don't have the two working keys, you'll need take your vehicle to the dealership to have it done.
Start by stepping into the driver's seat and shutting all doors, with the exception of the one that is open. Insert the first working key in the slot, and then turn the ignition to ON. Wait five seconds, then remove the key and repeat the procedure with the second working key.
After programming your new key, you'll have 3 keys that will start your car in the future. Test each key to make sure that they're working properly before placing them away.
It is advisable to purchase an extra Mazda 3 remote, especially when your car is susceptible to issues. You can buy one online or in your local automotive store. Be sure to look up reviews before you purchase so that you don't get an item that isn't compatible with your vehicle.
How to change the battery on a spare key?
It's very frustrating to discover that your key fob has failed and you're 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 key button located at the back of the keyfob. This will detach the key made of metal and reveal a slot on each side of the case. Press the flathead into one of these slots, and then gently push the two halves apart. Once the battery is fully exposed, remove it and place the case somewhere that you won't forget about it.
Be sure to have an additional battery prior to starting. These batteries can be purchased at any store selling batteries or from a Mazda dealer in Winter Garden. Using the correct type of battery will ensure that your key fob operates perfectly.
Replace the battery cap and then replace the battery. Be careful not to scratch the rubber ring that holds the battery. Then press the two halves of the key fob together until you hear a click.
How to Reset the system's Keyless Entry System
The key fob that you have in your Mazda 3 is not only a convenience, it's also an important security feature. If you lose your key or have it stolen the car will not start even if it has the spare fob. The key fob should be reprogrammed by the dealer to allow it to work again. This could be a costly and frustrating experience, so it's a good idea to understand how to reset the system yourself.
To reset the system, remove the battery for around 15 minutes. This will eliminate any residual electricity from the on-board computer. Then, disconnect the LF-ECU and demand switch connectors. Verify that the connections are in good order between the terminals.
Place the key in the slot, and turn the ignition ON. Keep mazda key replacement near me in place for about five seconds and 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 car in the future. You can program as many fobs you want however only one should be utilized at any specific time. This will prevent unauthorised people from stealing your key and getting access to your vehicle. You can purchase a replacement key fob on the internet, but you'll still have to visit a locksmith or dealer in order to have it cut and programmed.