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 best to have an extra key in your pocket. This article will explain how to add, alter or reprogramme your Mazda 3 keyfobs.
Certain keys require programming by a professional locksmith, while others do not. Make sure you use only genuine Mazda replacements to replace your key fob.
How do you add an additional key
If you're not fortunate enough to get a spare key from the dealer when you purchase your Mazda 3 or accidentally break your current key, don't worry -- there is still a way to add another key. You'll need an flat-head screwdriver and a new CR2025 battery. Once you've got these tools then it's time to open up the key fob to change the battery. First, locate the button that allows you to release the key. It's located under the metal part and is easy to find. When you press the button, the back cover should slide off immediately. Then, insert the screwdriver's head into the notch or spacing on the top of the metal piece and pull it away.
After the auxiliary keys are removed, insert your new or spare key into the slot. Set the ignition to ON, and wait about 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 important to remember that you can only program up to three keys for your Mazda 3. You don't want to utilize more than two key fobs to start your vehicle. This is a security measure that is designed to block unauthorized users, like valet drivers who are not authorized to use your key and thereby launching your vehicle.
How to Reprogram a Spare Key
If you have a spare key it's a good idea to know how to program it in the event the original key you had is stolen or lost. This will prevent unauthorized people from starting your vehicle or stealing it. This procedure should work with any Mazda however, you'll require two keys working to begin the process of reprogramming. If you don't have two functioning keys, you'll need to take your vehicle to a dealership to complete the process.
Start by getting into the driver's position, and shutting all doors, with the exception of the one that is open. Place the working key into the slot, and then set the ignition to the ON position. Wait five seconds, then remove the key and repeat with the second key.
Once you've finished programming your new key, you should have three keys that you can use to start your car in the future. Before placing each key in storage, make sure that it's working correctly.
It's a good idea buy 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 to look up reviews before you purchase to ensure that you don't get a key fob which isn't compatible with your vehicle.
How do I change the battery on a Spare Key
It's very frustrating to discover that the key fob you used to use has gone out and you're not able to unlock your vehicle. Fortunately, it's easy to replace the battery and save yourself some money at the dealer.
Press how to open a mazda 3 key fob on the back of the keyfob. This will remove the key auxiliary to reveal slots on both sides of the case. The flathead should be inserted into one of these slots and then gently push the two halves of the case apart. Once the battery has been fully exposed, remove the case and put it somewhere you will not forget about it.
Before you begin, be sure that you have a brand new replacement battery. You can purchase them at any retailer that sells batteries or at a Mazda dealer near Winter Garden. The correct type of battery is essential to ensure that your keyfob works properly.
Next, put the replacement battery in the correct place and replace the battery cap. Be careful not to scratch the small rubber ring the battery sits on. Finally, press the two parts of the key fob until you hear a click.
How do I reset the Keyless Entry System
The key fob that you have in your Mazda 3 is not only a convenience, it's also an important security feature. The car won't start if the key is lost or stolen even if you have a spare key fob. The key fob must be reprogrammed by the dealer to enable it to function again. It can be a costly and frustrating ordeal It's a good idea to learn how to reset the system yourself.
To reset the system, unplug the battery for approximately 15 minutes. This will take out any remaining electrical power in the on-board computer. The next step is to disconnect the LF-ECU and demand switch connectors. Then, verify the continuity between the following terminals:
Place the key into the slot and turn on the ignition. Switch off the ignition after about five seconds. The key's information has been added to the vehicle's computer and the new fob will start your car. You can program as many fobs you want but only one can be utilized at any particular time. This will stop unauthorised people from copying your key and gaining access to your vehicle. You can purchase a brand new key fob on the internet, but you'll still have to visit an authorized locksmith or dealer to have it cut and programmed.