How to Add, Change, and Reprogram a Mazda 3 Spare Key
Whether you dropped your key fob on the floor or it stopped working, it's recommended to keep a spare key on hand. This article will show you how to add, modify and re-programme your Mazda 3 keyfobs.
Note: Some keys require programming by an expert locksmith, while others don't. Be sure to only make use of official Mazda replacements for your key fob.
How do you add an extra key
If you're unable to receive a spare keys from the dealership when you buy your Mazda 3 or accidentally break your current key Don't fret, there is still an option to make another key. To accomplish this, you'll require an incredibly small screwdriver, a flathead screwdriver, and an updated CR2025 battery. Once you've got the tools, it is time to open the key fob. Find the key release auxiliary. It's located on the underside of the metal component and is easy to locate. The cover that covers the back should come off when you press the button. Then, put the screwdriver's head into the notch on top or the space and pry the metal part off.
Once the auxiliary key is removed, insert the new or spare key into the slot. Set the ignition to ON, and wait for five seconds before turning it to off. This will register the new information on the key to the system which will allow it to start your vehicle in the future.
It is important to remember that you can only program up to three keys on your Mazda 3. The final thing you want is to have more than two working key fobs, and not be able to get your car started. This is a safety measure to prevent unauthorized users from activating your keys and starting your car.
How do you reprogram a spare key
If you have a spare key, it's a good idea know how to program it if your original key is lost or stolen. This will stop unauthorized persons from getting into your car and causing damage to it. This will work with any Mazda. You'll require two keys that are working to begin the reprogramming process. If you don't have the two working keys, you'll need take your vehicle to the dealership to get it done.
Begin by getting into your driver's seat, and shutting the door, excluding for the one that's already opened. Turn the ignition on and insert the first working key. Wait for five seconds, then remove the key and repeat with the second key.
After you've completed programming your new key, you should have three working keys you can use to start your car in the future. Test each key to make sure that they're working properly before putting them away.
It's a good idea purchase a spare Mazda 3 key fob, especially if your car is one who is prone to losing keys or has other issues with it. You can buy one online or at your local auto store. Make sure you look up reviews before you purchase to ensure that you don't purchase a key fob which isn't compatible with your car.
How do you change the battery on a spare key
It's a nightmare to discover that your key fob has failed, and you are in a position to not unlock your vehicle. It's easy to change the battery yourself and save money at the dealer.
The first step is to press the auxiliary key button on the back of the key fob. This will remove the key that is used as an auxiliary key, and expose a slot on both sides of the case. The flathead should be inserted into one of these slots and gently pry the two halves of the case apart. When the battery is completely exposed, take it out and place it in a safe place in a place where you will not forget it.
Be sure to bring an additional battery before you begin. You can purchase them in any store that sells batteries or at an Mazda dealer close to Winter Garden. Using the correct type of battery will ensure that your key fob functions correctly.
Replace the cap of the battery and then insert the new battery. Be careful not damage the rubber ring that holds the battery. Finally, press the two parts of the key fob until you hear the sound of clicking.
How to Reset a Keyless Entry System
The Mazda 3 key fob is not just a piece of equipment for convenience. It's also an element of security. The car will not start if the key is stolen or lost, even if you've got a spare fob. mazda 2 key programming is because the key fob has to be reset at the dealership to work properly. This can be a painful and costly process. Therefore, it's recommended to know how to reset the system.
Disconnect the battery from the system for 15 minutes. This will erase any residual electricity in the on-board computer. Then, disconnect both LF-ECU connector and the demand switch connectors. Then, check continuity between the following terminals:
Place the key into the slot, then turn on the ignition. The key should remain in the ignition 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 to start your vehicle in the future. You can program up to three fobs, but you must only use one at a time. This will prevent unauthorized persons from copying your key and gaining access to your car. You can purchase a new keyfob on the internet, but it'll still need to be programmed and cut by a dealer.