How to Add, Change, and Reprogram a Mazda 3 Spare Key
Whether you dropped your key fob on the ground or it simply stopped working, it's always recommended to keep an extra key in your pocket. This article will teach you how to add, change or reprogramme the Mazda 3 keyfobs.
Certain keys require programming by professional locksmiths, while others don't. Use only genuine Mazda replacements to replace your key fob.
How do mazda car keys replacement add an additional key
You can add an additional key in case you don't have a spare key available or if you accidentally damage the one you already have. You'll need a flathead screwdriver, and the CR2025 replacement battery. Once you've got these items and tools, you're ready 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 will fall off instantly. Then, put the screwdriver's tip into the notch at the top or the space and pry the metal part off.
After the auxiliary keys are removed, insert the new or spare key into the slot. Switch the ignition on and wait for about five seconds, and then turn it to OFF. This will add the new information on the key to the system, allowing it to start your car in the future.
It is only possible to program three keys on your Mazda 3. You don't want to have to utilize more than two key fobs to start your vehicle. This is a safety precaution that is designed to block unauthorized users, such as valet drivers who are not authorized to use your key and starting your car.
How to Reprogram a spare key
It's a smart idea to learn how you can reprogram an extra key in the event that your original key is lost or stolen. This will keep unauthorised persons from opening your car or taking it. This should work with any Mazda. You'll require two keys that work to begin the reprogramming. If you don't own two keys that work it's recommended to take your car to a dealer to get this done.
Begin by getting into your driver's seat, and close the door, with the exception for the one that's already opened. Set the ignition to ON and insert the initial working key. After five seconds, remove the key and repeat the procedure with the second key.
Once you've finished programming your new key, you should have three working keys you can use to start your vehicle in the future. Test each key to make sure that they're operating correctly before taking them off.
It's a good idea purchase a spare Mazda 3 key fob, especially if your car is one who frequently loses their key or has other issues with it. You can purchase one online or in your local automotive store. Make sure you go through reviews prior to purchasing so that you don't get one that's not compatible with your car.
How to Change the Battery on a spare Key
It's awful to discover that your key fob has died and you're locked out of 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 take out the metal key and reveal an opening on each side of the case. Use the screwdriver's flathead to push it into one of these slots, and gently take apart the two halves of the case. Once the battery is fully exposed, take it out of the case and place it somewhere that you will not forget about it.
Before you start, make sure that you have a brand new replacement battery. You can find these at any retailer that sells batteries or at an Mazda dealer near Winter Garden. Using the correct type of battery will ensure that your key fob operates perfectly.
Replace the cap on the battery and then install the new battery. Be careful not damage the rubber ring that holds the battery. The two halves should be pressed together until you hear a click.
How to Reset the system's Keyless Entry System
The Mazda 3 key fob is not just a convenient feature. It also serves as an important security feature. The car won't start if your key is lost or stolen even if you have a spare fob. The key fob should be reprogrammed by the dealer to make it work again. This could be a costly and frustrating experience therefore it's a great idea to learn how to reset the system yourself.
To reset the system, disconnect the battery for 15 minutes. This will erase any residual electricity in the on-board computer. Then, disconnect the LF -ECU and demand switch connectors. Then, check continuity between the following terminals:
To program a new key, or a spare, place it in the slot and set the ignition to ON. Keep the key in place for around five seconds, and then turn it off. The key information will now be transferred to your vehicle's computer, and the new fob will be able start your car in the future. You can program up to three fobs, however, you must only use one at each time. This prevents unauthorized people from copying your key and getting ahold of your car. You can purchase a brand new keyfob online, however it will still need to be programmed and cut by an authorized dealer.