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How to Add, Change, and Reprogram a Mazda 3 Spare Key
If you've dropped your key fob on the floor or it has stopped working, it's always an excellent idea to keep a spare key on hand. This article will cover everything you should be aware of adding, changing, and changing your Mazda 3 key fobs.
Be aware that some keys require programming from professional locksmiths, while others do not. Make mazda 2 key fob replacement to use official Mazda replacements for your key fob.
How to Add a Spare Key
If you're not fortunate enough to get a spare key from the dealer when you buy your Mazda 3 or accidentally break your current key Don't fret, there's an option to make another key. You'll need a flathead screwdriver, and an CR2025 battery. Once you've got these items, it's time to remove the key fob and swap the battery. Find the auxiliary key release. It's located on the underside of the metal component and is easy to locate. The cover that covers the back should come off the moment you press the button. Then, put the screwdriver head into the notch at the top or the space, and remove the metal part.
Once the auxiliary key has been removed, insert your new or spare key into the slot. Set the ignition to ON, and wait for five seconds before turning it to OFF. This will allow the system to recognize the new key and begin your vehicle in the future.
You can only program three keys in your Mazda 3. The final thing you want is to have more than two functioning key fobs and not be able to get your car started. This is a safety precaution designed to prevent unauthorised users, such as valet drivers from activating your key and starting your car.
How do you reprogram a spare key
If you have a spare key it's best to know how to program it if your original key gets lost or stolen. This will stop unauthorized persons from starting your car, or stealing it. This procedure should work with any Mazda, though you'll need two working keys to start the reprogramming process. If you don't have two functioning keys, you'll need to take your vehicle to a dealership to have it done.
Begin by getting in your driver's seat and close the door, with the exception for the one that's open. Turn the ignition on and insert the first functioning key. Wait five seconds before removing the key. Repeat with the second key.
After you've completed programming your new key, you'll have three working keys that you can use to start your vehicle in the future. Test each key to ensure sure they're working correctly before taking them off.
It's a good idea to buy an extra 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 automobile store, but make sure to read reviews before buying so you aren't buying an item that isn't compatible with your car.
How to change the Battery on a spare key
It's a nightmare to discover that your key fob has died, and you are locked out of your car. It's a good thing that it's simple to replace the battery and save some cash at the dealership.
Press the auxiliary key button on the back of the keyfob. This will take out the key from the metal and reveal a slot on each side of the case. Press the flathead screwdriver into one of these slots. Then, gently break the two halves of the case. Once the battery is fully exposed, remove the case and place it somewhere that you will not forget about it.
Before you begin, be sure you have a new replacement battery. You can purchase them at any retailer that sells batteries or at an Mazda dealer close to Winter Garden. Choosing the correct battery will ensure that your key fob works properly.
Next, put the replacement battery in its place and then replace the cap on the battery. Be careful not to damage the small rubber ring the battery is placed on. Press the two halves together until you hear the click.
How can I reset the Keyless Entry System
The Mazda 3 key fob is not just a convenient feature. It also serves as an element of security. The car will not start if your key is lost or stolen even if you have an extra fob. This is because the key fob has to be reset at the dealership in order to work again. This can be a costly and time-consuming process and it's a good idea to learn how to reset the system yourself.
Remove the battery from the system for 15 minutes. This will eliminate any residual electric current from the onboard computer. Then, disconnect the connectors for the LF-ECU and the demand switch connectors. Verify that the connections are in good order between the terminals.
To program the new key or spare, place it in the slot and turn the ignition to ON. The key should remain in the ignition for about five seconds, then switch off. The key information is now added to the vehicle's computer and the new fob can start your car. You can program as many fobs as desire, but only one should be in use at any certain time. This will stop unauthorised people from copying the key and gaining access to your vehicle. You can purchase a replacement keyfob online, but it still needs to be programmed and cut by a dealer.