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How to Add, Change, and Reprogram a Mazda 3 Spare Key
If you've dropped your key fob on the ground or it just stopped working, it's always best to have an extra key available. This article will explain everything you need to learn about the process of adding, changing, and changing the programming of your Mazda 3 key fobs.
Warning: Some keys require programming by professional locksmiths, while others do not. Make sure you only make use of official Mazda replacements for your key fob.
How to Add a Spare Key
If you're not fortunate enough to receive a spare keys from the dealership when you purchase your Mazda 3 or accidentally break your current one Don't fret, there's an option to make another key. You'll need an flat-head screwdriver and a new CR2025 battery. Once you've got the tools and are ready to remove the key fob and swap the battery. First find the key release button for the auxiliary key. It's located under the metal piece and is easy to locate. When you hit the button, the back cover should be removed immediately. Then, you can insert the screwdriver's head into the notch, or the spacing at the top of the metal component and then pull it off.
Once the auxiliary key is removed, insert the new or spare key into the slot. Set the ignition to ON and wait for about five seconds before setting it to off. This will allow the system to recognize the new key and begin your vehicle in the future.
It's important to note that you can only program up to three keys on your Mazda 3. You don't want to utilize more than two keys to start your vehicle. This is a safety measure to stop unauthorized users from activating your keys and launching your vehicle.
How to Reprogram mazda 2 car key replacement
If you have a spare key it's important to know how to program it in the event your original key is stolen or lost. This will stop unauthorised people from starting your car, or taking it. This should work with any Mazda. You will need two keys that are working for the reprogramming to begin. If you don't have two keys that function it's recommended to take your car to a dealer to have this completed.
Start by stepping into the driver's position, and close all the doors with the exception of the one that is open. Place the working key into the slot, and then set the ignition to the ON position. For five seconds, take the key out and repeat the procedure with the second working key.
After you've completed programming your new key, you should have three keys that you can use to start your car in the future. Test each key to ensure sure that they're functioning properly before taking them off.
It's a good idea buy an extra Mazda 3 key fob, especially if your car is one who has a tendency to lose their keys or has other issues with it. You can find one online or at your local automobile store, but make sure to read reviews before buying so that you can avoid getting the wrong key fob compatible with your vehicle.
How to change the Battery on a Spare Key
It's depressing to find out that your key fob has died, and you are unable to unlock your vehicle. Fortunately, it's easy to replace the battery and save some money at the dealer.
Press the auxiliary key button at the back of the keyfob. This will release the key's metal cover and reveal the slots on both sides of the case. Put the flathead into one of these slots, and gently pry the two halves apart. Once the battery has been fully exposed, remove the case and place it somewhere you will not forget about it.
Before you begin, make sure that you have a new replacement battery. They can be bought at any store that sells batteries or from a Mazda dealer in Winter Garden. Choosing the right battery will ensure that your key fob operates effectively.
Replace the cap on the battery and then insert the new battery. Be careful not to damage the rubber ring that holds the battery. The two halves should be pressed together until you can hear the click.
How do you reset the Keyless Entry System
The key fob that you have in your Mazda 3 is not only an option for convenience, it's an important security feature. If you lose your key or have it stolen the car will not start even if you have the spare fob. The key fob has to be reprogrammed by the dealer to make it work again. It can be a frustrating and costly experience. Therefore, it's best to understand how you can reset the system.
Remove the battery from the system for 15 minutes. This will remove any remaining electrical current from the computer on board. Next, disconnect both the LF-ECU connector and the demand switch connectors. After that, test for continuity between the following terminals:
To program a new key or a spare, place it in the slot and turn the ignition to ON. Switch off the ignition after about five minutes. The key's information has been transferred to the computer of your vehicle and the new fob is able to start your car. You can program as many fobs as would like, but only one should be used at any certain time. This will stop unauthorised people from copying the key and getting ahold of your vehicle. You can buy a new keyfob from the internet, however it still needs to be cut and programmed by an authorized dealer.