How to Add, Change, and Reprogram a Mazda 3 Spare Key
It's a good idea always to keep a spare key on hand in case you lose the keyfob or it was unable to function. This article will show you how to add, change and re-programme your Mazda 3 keyfobs.
A word of caution: some keys require programming by a professional locksmith or dealer, while other keys do not. Be sure to only use genuine Mazda replacements for your key fob.
How to add a spare key
You can also add an additional key if you don't have a spare key available or if you accidentally break your current one. You'll need a flathead screwdriver, and the CR2025 replacement battery. Once you've got these items and are ready to open the key fob to change the battery. First find the button that allows you to release the key. The button is on the bottom of the metal portion. It's easy to locate. When you hit the button, the cover will fall off instantly. Then, you can insert the screwdriver's tip into the notch at the top or the space, and take the metal part away.
Insert your new or spare key into the slot after taking out the secondary key. Switch the ignition on and then wait for around five seconds, then turn it to off. This will allow the system to recognize the new key and start your vehicle in the future.
It is important to remember that you can only program up to three keys for your Mazda 3. You don't want to use more than two key fobs in order to start your car. This is a safeguard to stop unauthorized users from activating your keys and starting your car.
How to reprogram a spare key
It's a smart idea to know how to reprogram an extra key in the event that your original key is lost or stolen. This will prevent unauthorised persons from taking your car and then starting it. This will work with any Mazda. You'll require two keys that are working to start the reprogramming process. If you don't own two keys that function, you should take your vehicle to a dealer to have this completed.
Begin by getting in your driver's seat and closing the door, except for the one that's already opened. Insert the first working key into the slot, and then set the ignition to ON. Then wait five seconds before taking out the key. Repeat the process with the second key.
After you finish programming your new key you should have three keys that start your car in the near future. Test each key to ensure sure they're working correctly before placing them away.
It's a good idea purchase a spare Mazda 3 key fob, particularly if you're a driver who frequently loses their key or has other issues with it. It's possible to find one on the internet or at your local auto store, but make sure to read the reviews before purchasing so that you aren't buying an item that isn't compatible with your vehicle.
How to change the battery on a spare key?
There's nothing more frustrating than finding that your key fob battery has failed and you are unable to unlock your car. It's a good thing that it's simple to replace the battery and save some money at the dealer.
The first step is to press the auxiliary key button located on the back of the key fob. This will detach the key made of metal and reveal an opening on each side of the case. Press the flathead screwdriver into one of these slots. Then, gently break mazda 6 car key replacement of the case. Once the battery has been fully exposed, remove the case and put it somewhere you will not forget it.
Make sure you have an extra battery in place before you begin. You can purchase them at any retailer that sells batteries or at a Mazda dealer close to Winter Garden. Choosing the correct battery will ensure that your key fob works correctly.
Replace the cap of the battery and then replace the battery. Be careful not damage the rubber ring on which the battery rests. The two halves should be pressed together until you hear a click.
How to Reset a Keyless Entry System
The Mazda 3 key fob is not just a convenient feature. It also serves as an element of security. The car won't start if the key is stolen or lost even if you have an extra fob. The key fob must be reprogrammed by a dealer to enable it to function again. This can be an expensive and stressful experience, so it's a good idea to understand how to reset the system yourself.
To reset the system, disconnect the battery for 15 minutes. This will eliminate any remaining electricity from the on-board computer. The next step is to disconnect the LF-ECU and demand switch connectors. Check for continuity between the following terminals:
To program a new key or a spare, insert it into the slot and turn the ignition to ON. Turn off the ignition after about five minutes. 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 however, you must only use one at one time. This will prevent unauthorized people from stealing your key and getting access to your car. You can purchase a brand new keyfob from the internet, however it must be programmed and cut by a dealer.