How to Add, Change, and Reprogram a Mazda 3 Spare Key
It's a good idea always to have a spare key on hand in case you lose your keyfob or it has stopped working. This article will tell you how to add, alter, and reprogramme your Mazda 3 keyfobs.
Certain keys require programming by an experienced locksmith, whereas others don't. Make sure to use official Mazda replacements for your key fob.
How do I add a spare key?
If you're not fortunate enough to get a spare key from the dealership when you buy your Mazda 3 or accidentally break your current one do not fret -- there's still an option to make another key. You'll need to use a flathead screwdriver, and an CR2025 battery. Once you've got the tools you can open the key fob and swap the battery. Locate the key release auxiliary. It's located beneath the metal part. It's easy to find. Once you press the button, the back cover should fall off right away. Next, place the head of the screwdriver into the notch, or the spacing at the top of the metal component and pull it off.
Insert your new or spare key into the slot after taking out the additional key. Set the ignition to ON and wait for around five seconds before setting it to off. This will register the new key's information into the system which will allow it to start your car in the future.
mazda replacement key is only possible to program three keys to your Mazda 3. You don't want to have to utilize more than two key fobs to start your vehicle. This is a precautionary measure to stop unauthorised users from activating your keys and starting your car.
How do you reprogram an unrepaired key?
It's smart to learn how you can reprogram an extra key in the event that your original key gets lost or stolen. This will prevent unauthorised persons from getting into your car and causing damage to it. This should work with any Mazda. You'll need two keys that are functioning to begin the reprogramming process. If you don't own two working keys, you should take your Mazda to the dealer to get this done.
Begin by getting in your driver's seat and close the door, except for the one that's already opened. Place the working key in the slot, then set the ignition to the ON position. After five seconds, remove the key. Repeat 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. Before saving each key, be sure that it's working correctly.
You should consider buying an extra Mazda 3 remote, especially when your car is susceptible to issues. You can purchase one on the internet or at your local auto store. Make sure to read reviews before purchasing to ensure that you don't get the wrong key fob that isn't compatible with your vehicle.
How to change the Battery on a Spare Key
There's nothing more frustrating than finding that the battery in your key fob has been damaged and you're unable to unlock your car. It's easy to replace the battery yourself and save money at the dealership.
The first step is to press the auxiliary key button located on the back of the key fob. This will release the key from the metal and reveal a slot on each side of the case. Put the flathead into one of these slots and then gently push the two halves apart. When the battery is fully exposed, remove the case and put it somewhere that you will not forget it.
Before you begin, be sure that you have a brand new replacement battery. These batteries can be purchased at any store that sells batteries or from a Mazda dealer in Winter Garden. The correct type of battery is essential to ensure that your key fob functions properly.
Replace the cap on the battery, and then put in the new battery. Be careful not to scratch the rubber ring that holds the battery. Finally press the two parts of the key fob together until you hear the sound of a click.
How do I reset a Keyless Entry System
The key fob that you have in your Mazda 3 is not only an extra convenience, but also an important security feature. The car won't start if your key is stolen or lost, even if you've got a spare key fob. This is because the key fob needs to be reprogrammed at the dealership to work again. This can be an expensive and stressful experience It's a good idea to understand how to reset the system yourself.
To reset the system, remove the battery for approximately 15 minutes. This will erase any residual electrical power in the on-board computer. Next, disconnect the LF-ECU and demand switch connectors. Check continuity between the following terminals.
Put the key in the slot, and turn the ignition ON. Leave the key in for about five seconds, then turn it off. The key's details are now transferred to the computer of your vehicle and the new fob will start your car. You can program up to three fobs, but you must only use one at each time. This will prevent unauthorised people from stealing your keys and gaining access to your vehicle. You can purchase a replacement keyfob online, however it still needs to be cut and programmed by an authorized dealer.