How to Add, Change, and Reprogram a Mazda 3 Spare Key
If you've dropped your key fob on the ground or it stopped working, it's always an excellent idea to keep a spare key handy. This article will show you how to add, change or reprogramme the Mazda 3 keyfobs.
A word of caution Certain keys require programming by a locksmith professional or dealer, whereas others do not. Use only official Mazda replacements to replace your key fob.
How to Add a Spare Key
If you're unable to find a spare key from the dealership when you purchase your mazda 5 key fob replacement 3 or accidentally break your current key, don't worry -- there's a way to add another key. To do this, you'll need an incredibly small screwdriver, a flathead screwdriver, and an CR2025 battery that's new. Once you have the items, it is time to open the key fob. First look for the key release button for the auxiliary key. The button is located beneath the metal part. It's easy to locate. When you press the button, the back cover should fall off right away. Then, you can insert the screwdriver's head into the notch or spacing at the top of the metal part and pull it away.
After 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 add the new information on the key to the system and allow it to start your vehicle in the future.
It is only possible to program three keys on your Mazda 3. The most important thing is to have more than two functioning key fobs and not be in a position to get your vehicle started. This is a safeguard to stop anyone who is not authorized from activating your key fobs and starting your car.
How to Reprogram a Spare Key
If you have a spare key it's a good idea know how to program it in the event your original key is stolen or lost. This will keep unauthorised persons from starting your car or taking it. This will work with any 2016 mazda 6 key fob programming. You'll need two keys that are working to begin the reprogramming. If you don't have two working keys, it's best to take your mazda 3 car keys to a dealer to get this done.
Start by getting into the driver's position and close all the doors with the exception of the one that is open. Put the first working key into the slot, then set the ignition to ON. Wait for five seconds, then remove the key and repeat the procedure with the second working key.
Once you've completed programming your new key you should have three keys that allow you to start your car in the near future. Before placing each key in storage, make sure that it's functioning properly.
It's a good idea to buy an extra mazda demio key 3 key fob, especially if you're a driver who frequently loses their key or has other issues with it. You can find one online or at your local auto store, but be sure to read reviews before buying so you aren't purchasing a key fob that's not compatible with your vehicle.
How do I change the battery using a spare key
There's nothing worse than finding that the battery in 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.
The first step is to press the auxiliary key button located on the back of the key fob. This will release the metal key that is used as an auxiliary key, and expose two slots on the sides of the case. The flathead should be inserted into one of these slots and then gently push the two halves apart. When the battery is fully exposed, take it out of the case and place it somewhere you will not forget it.
Before you begin, make sure you have a brand new replacement battery. These batteries can be purchased at any retailer that sells batteries or from a mazda Key fob programming dealer in Winter Garden. Using the correct type of battery will ensure that your key fob is working correctly.
Then, place the new battery in its place and then replace the cap of the battery. Be careful not to scratch the small rubber ring that the battery is placed on. Then, press the two parts of the key fob together until you hear a click.
How do I reset a Keyless Entry System
The Mazda 3 key fob is not just a convenient feature. It's also an element of security. The car will not start if your key is stolen or lost even if you have an extra key fob. This is because the fob that you have to be reprogrammed by the dealership in order to work again. This can be an expensive and frustrating ordeal, so it's a good idea to learn how to reset the system yourself.
To reset the system, disconnect the battery for 15 minutes. This will remove any remaining electricity from the on-board computer. The next step is to disconnect the LF-ECU and demand switch connectors. Check continuity between the following terminals.
Insert the key into the slot and turn on the ignition. The key should remain in the ignition for around five seconds, and then turn it off. The key's details are now added to the vehicle's computer and the new fob can start your car. You can program up to three fobs, but you should only use one at one time. This will stop unauthorised people from copying your key and getting ahold of your car. You can purchase a replacement keyfob online, however it will still need to be programmed and cut by an authorized dealer.