How to Add, Change, and Reprogram a Mazda 3 Spare Key
It's a good idea always to keep an extra key at hand in case you lose the keyfob you were using or it was unable to function. This article will cover everything you should be aware of changing, adding, and changing the programming of your mazda key cutting 3 key fobs.
A word of warning Certain keys require programming by a professional locksmith or dealer, while other keys do not. Make sure to use genuine mazda cx-5 key replacement 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 purchase your Mazda 3 or accidentally break your current key do not fret -- there is still the option of adding another key. You'll need a flathead screwdriver and the CR2025 replacement battery. Once you've got these items, it is time to open the key fob. Locate the key release auxiliary. It's located on the underside the metal portion. It's easy to locate. The cover on the back should fall off when you press the button. Then, you can insert the screwdriver's tip into the notch on top or into the space and pull the metal piece off.
Once the auxiliary key has been removed, insert your new or spare key into the slot. Turn the ignition on and wait for five seconds, and then turn it to off. This will register the new key's information to the system which will allow 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. The most important thing is to have more than two working key fobs and not be in a position to get your vehicle started. This is a safety precaution designed to prevent unauthorised users, like valet drivers who are not authorized to use your key and starting your vehicle.
How do you reprogram an unrepaired key?
If you have a spare key it's important to know how to reprogram it in case your original key gets stolen or lost. This will keep unauthorised persons from opening your car or stealing it. This process should work on any Mazda, though you'll need two working keys to begin the reprogramming process. If you don't own two keys that work it's recommended to take your Mazda to a dealer to have this completed.
Start by getting into the driver's seat, shutting all doors, with the exception of the one that is open. Insert the first working key into the slot, then turn the ignition to the ON position. After five seconds, remove the key and repeat with the second key.
After you've completed programming your new key, you should have three keys that you can use to start your vehicle 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, particularly if you're a driver who frequently loses their key or has other issues with it. You can buy one online or at your local auto store, but be sure to read the reviews prior to purchasing so you can avoid purchasing one that's not compatible with your car.
how much is a new mazda key fob to change the battery using a spare key
It's awful to discover that your key fob has failed and you're not able to unlock your car. Luckily, it's easy to replace the battery and save yourself some money at the dealer.
The first step is to press the auxiliary key button on the back of the key fob. This will release the key made of metal and reveal the slots on both sides of the case. Use the screwdriver's flathead to push it into one of these slots, and gently take apart the two parts of the case. Once the battery is fully exposed, remove the case and put it somewhere that you will not forget about it.
Before you begin, make sure you have a brand new replacement key for mazda 3 (information from Writeablog) battery. They can be found at any retailer that sells batteries or at an mazda verisa key replacement dealer close to Winter Garden. The correct battery is vital to ensure that your keyfob is working properly.
Then, place the new battery in place and replace the cap of the battery. Be careful not damage the rubber ring on which the battery rests. Then press the two parts of the key fob until you hear an audible click.
How to Reset a Keyless Entry System
The key fob that you have in your Mazda 3 is not only an option for convenience, it's an important security feature. If you lose your key or have it stolen, the car will not start even if you've got the spare key fob. This is because the key fob has to be reset at the dealership in order to work again. This could be a costly and frustrating experience, so 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 eliminate any remaining electrical power in the on-board computer. Next, disconnect both the LF-ECU connector and the demand switch connectors. Check for continuity between the terminals.
Place the key in the slot, then switch on the ignition. Keep the key in place for about five seconds, then switch off. The key information will now be transferred to your vehicle'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 one time. This will prevent unauthorized people from stealing your key and getting access to your vehicle. You can buy a new keyfob online, however it will still need to be programmed and cut by a dealer.