Mazda 6 Key: The Good, The Bad, And The Ugly
How to Add, Change, and Reprogram a Mazda 3 Spare Key
If you've dropped your key fob on the floor or it simply stopped working, it's always recommended to keep a spare key on hand. This article will cover everything you should know about changing, adding, and changing the programming of your Mazda 3 key fobs.
A word of warning Some keys require programming by a locksmith professional or dealer, while other keys do not. Make sure to make use of official Mazda replacements for your key fob.
How to add an extra key
If you're unable to find a spare key from the dealership when you buy your Mazda 3 or accidentally break the one you have Don't fret, there's the option of adding another key. You'll need a flathead screwdriver and the CR2025 replacement battery. Once you have these items, it's time to open up the key fob and replace the battery. First, locate the key release button for the auxiliary key. It's located on the underside of the metal component and is easy to find. Once you hit the button, the back cover should slide off immediately. Next, place the head of the screwdriver into the notch or space on the top of the metal component and pull it away.
Once the auxiliary key has been removed, insert your new or spare key into the slot. Set the ignition to ON, and wait for around five seconds before setting it to OFF. This will allow the system to recognize the new key and start your vehicle in the future.
It is only possible to program three keys into your Mazda 3. The one thing you don't want is to have more than two functioning key fobs but not be in a position to get your vehicle started. This is a safeguard to stop unauthorised users from activating your keys and then starting your vehicle.
How to Reprogram a spare key
It's a good idea to know how you can reprogram a spare key in the event that the original key is lost or stolen. This will prevent unauthorized people from starting your car or stealing it. This should work with any Mazda. You'll require two keys that are functioning to begin the reprogramming process. If you don't own two keys that work it's recommended to take your vehicle to a dealer to have this done.
Start by getting into the driver's seat, close all the doors, except the one that is open. Insert the first working key in the slot, and then set the ignition to ON. For mazda keys replacement , remove the key and repeat the process with a second working key.
Once you've programmed your new key, you'll have three working keys you can use to start your vehicle in the future. Before saving each key, be sure that it's functioning properly.
It's a good idea to buy a spare Mazda 3 key fob, particularly if you're a driver who is prone to losing keys or has other issues with it. You can buy one online or at a local automotive store. Make sure you look up reviews before you purchase to ensure you don't buy an item that isn't compatible with your car.
How to change the battery with a spare key?
There's nothing more frustrating than finding that the battery for your key fob has failed and you are unable to unlock your vehicle. Luckily, it's easy to replace the battery and save yourself some money at the dealership.
Press the auxiliary key button located at the back of the keyfob. This will remove the key that is used as an auxiliary key, and expose a slot on both sides of the case. Press the flathead screwdriver into one of these slots and then gently pry apart the two parts of the case. Once the battery is fully exposed, take it out of the case and place it in a place where you won't forget it.
Make sure you have a new battery ready before you start. These batteries can be purchased at any store that sells batteries or from a Mazda dealer in Winter Garden. Choosing the right battery will ensure that your key fob is working properly.
Then, place the new battery in its place and then replace the battery cap. Be careful not to damage the small rubber ring that the battery rests on. Finally press the two parts of the key fob until you hear an audible click.
How do I reset the Keyless Entry System
The Mazda 3 key fob is not just a convenient feature. It also serves as an important security feature. The car will not start if your key is stolen or lost even if you have a spare fob. The key fob must be reset by the dealer to allow it to work again. It can be a costly and stressful experience and it's a good idea to learn how to reset the system yourself.
Disconnect the battery from the system for 15 minutes. This will eliminate any remaining power from the on-board computer. Then, disconnect the LF -ECU and demand switch connectors. Verify that the connections are in good order between the terminals.
Insert the key into the slot, then turn on the ignition. The ignition should be turned off after approximately five seconds. The key's information has been transferred to the computer of your vehicle and the new fob can start your vehicle. You can program as many fobs as would like however only one must be used at a specific time. This will keep unauthorised individuals from stealing your key and getting access to your vehicle. You can purchase a new keyfob online, but it must be programmed and cut by an authorized dealer.