A Look At The Ugly Real Truth Of Mazda 6 Key How to Add, Change, and Reprogram a Mazda 3 Spare Key

It's a good idea to keep an extra key on hand regardless of whether you lost the keyfob you were using or it has stopped working. This article will tell you how to add, modify and re-programme your Mazda 3 keyfobs.

A word of warning Certain keys require programming by a professional locksmith or dealer, whereas others don't. Be sure to only use genuine Mazda replacements for your key fob.

How to add a spare key


If you're not lucky enough to get a spare key from the dealer when you buy your Mazda 3 or accidentally break your current one, don't worry -- there's the option of adding another key. To accomplish this, you'll require a small flathead screwdriver and a new CR2025 battery. Once you've got these items then it's time to remove the key fob and change the battery. First find the auxiliary key release button. It's located underneath the metal component and is easy to locate. Once you hit the button, the back cover should fall off right away. Then, put the screwdriver's head into the notch on top or the space and pull the metal piece off.

After the auxiliary key has been 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 key's information into the system, allowing it to start your car in the future.

It's important to note that you can only program up to three keys for your Mazda 3. You don't want to have to use more than two keys to start your car. This is a precautionary measure to stop anyone who is not authorized from activating your keys and then starting your vehicle.

How to Reprogram a Spare Key

If you have a spare key it's a good idea to be aware of how to program it in the event the original key you had is lost or stolen. mazda 6 key fob replacement will stop unauthorized persons from abusing your vehicle and re-starting it. This should work with any Mazda. You will need two keys that are functioning for the reprogramming to begin. If you don't have two working keys, you'll have to take your vehicle to a dealership to have it done.

Start by getting into the driver's seat, close all the doors with the exception of the one that is open. Place the working key into the slot, then set the ignition to the ON position. Wait five seconds, then take the key out and repeat the procedure with the second key.

After you've programmed your new key, you'll have three keys that you can use to start your car 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, especially 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 a local automotive store, but be sure to read reviews before purchasing so that you can avoid getting an item that isn't compatible with your car.

How to change the battery on a spare key?

There's nothing worse than finding that the battery for your key fob has been damaged and you're unable to unlock your vehicle. Fortunately, it's easy to replace the battery and save some money at the dealer.

The first step is to press the auxiliary button on the back of the key fob. This will remove the metal key that is used as an auxiliary key, and expose two slots on the sides of the case. Insert the flathead screwdriver into one of these slots. Then, gently pry apart the two sides of the case. When the battery is fully exposed, take it out of the case and put it somewhere that you will not forget about it.

Before you begin, make sure that you have a brand new replacement battery. They can be bought from any store that sells batteries or from a Mazda dealer in Winter Garden. Using the right type of battery will ensure that your key fob works effectively.

Then, place the new battery in place and replace the cap on the battery. Be careful not to damage the rubber ring on which the battery rests. Finally, press the two parts of the key fob together until you hear the sound of a click.

How can I reset the Keyless Entry System

The Mazda 3 key fob is not just a practical feature. It also serves as an important security feature. If you lost your key or had it stolen the car won't start even if you've got the spare key fob. The key fob must be reprogrammed by a dealer to enable it to function again. This can be an expensive and frustrating ordeal, so it's a good idea to know how to reset the system yourself.

To reset the system, remove the battery for 15 minutes. This will clear any residual electrical current from the computer on board. The next step is to disconnect the LF-ECU and demand switch connectors. Check for continuity between the terminals.

To program an entirely new key or spare, place it in the slot and turn the ignition to ON. Stop the ignition after approximately five seconds. The key's details will be saved to your car's computer, and the new fob will be able start your car in the future. You can program up to three fobs but you must only use one at each time. This will prevent unauthorized people from stealing your keys and gaining access to your car. You can purchase a replacement key fob on the internet, but you'll still have to visit a dealer or locksmith to have it cut and programmed.