How to Add, Change, and Reprogram a Mazda 3 Spare Key
It's a good idea always to keep an extra key in your pocket no matter if you've dropped the keyfob you were using or it stopped working. This article will tell you how to add, alter or reprogramme the Mazda 3 keyfobs.
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A word of warning Some keys require programming by a locksmith professional or dealer, whereas other keys do not. Make sure you only use genuine Mazda replacements for your key fob.
How do you add a spare key
If you're not lucky enough to find a spare key from the dealer when you buy your Mazda 3 or accidentally break your current key do not fret -- there's still the option of adding another key. You'll need the flathead screwdriver, as well as a CR2025 new battery. Once you've got these items then it's time to open the key fob. Find the auxiliary key release. The button is beneath the metal portion. It's easy to find. Once you hit the button, the back cover should slide off immediately. Then, you can insert the head of the screwdriver into the notch or the space on the top of the metal part and pull it off.
Insert the spare or new key into the slot following the removal of the accessory key. Set the ignition to ON and wait for around five seconds before setting it to OFF. This will add the new key's details to the system which will allow it to start your vehicle in the future.
It's important to know that you can only program up to three keys for your Mazda 3. You don't want to have to use more than two key fobs to start your car. This is a safeguard to prevent unauthorized users from activating your key fobs and starting your vehicle.
How to Reprogram a spare key
It's a good idea to be aware of how to reprogram a spare key in the event that your original key gets lost or stolen. This will stop unauthorised people from taking your car and then starting it. This procedure should work with any Mazda however you'll need two keys that work to begin the reprogramming process. If you don't have two functioning keys, you'll have to bring your vehicle to the dealership to have it done.
Begin by getting in your driver's seat and closing the door, except for the one that's opened. Put the first working key in the slot, then turn the ignition to the ON position. For five seconds, remove the key and repeat the process with the second key.
After you've programmed your new key, you should have three keys that you can use to start your vehicle in the future. Before saving each key, be sure it's functioning correctly.
You should consider buying an extra Mazda 3 remote, especially if your car is prone to problems. You can buy one online or in your local auto store. Make sure you look up reviews before you purchase to ensure that you don't get a key fob which isn't compatible with your car.
How do you change the battery on a spare key
It's awful to discover that your key fob has died, and you are not able to unlock your car. It's not a problem to replace the battery and save yourself some cash at the dealership.
Press the auxiliary key button at the back of the keyfob. This will remove the metal key auxiliary to reveal an opening on both sides of the case. The flathead should be inserted into one of these slots, and gently pry the two halves apart. Once the battery has been fully exposed, remove the case and put it somewhere that you will not forget it.
Before you begin, make sure you have a brand new replacement battery. These batteries can be purchased at any store selling batteries or from a Mazda dealer in Winter Garden. Choosing the right battery will ensure that your key fob works properly.
Replace the battery cap and then replace the battery. Be https://www.thekeylab.co.uk/mazda-car-keys/ not to scratch the small rubber ring that the battery rests on. Then, press the two parts of the key fob until you hear the sound of clicking.
How to Reset the system's Keyless Entry System
The key fob inside your Mazda 3 is not only an added convenience, but it's also an important security feature. If you lose your key, or have it stolen the car will not start even if you have the spare key fob. This is because the key fob has to be reprogrammed by the dealership in order to work once more. It can be a costly and frustrating experience, so it's a good idea to know how to reset the system yourself.
Disconnect the battery from the system for 15 minutes. This will clear any residual power from the on-board computer. Next, disconnect both the LF-ECU connector and the demand switch connectors. Verify that the connections are in good order between the terminals.
To program an entirely new key or spare, place it in the slot and set the ignition to ON. Turn off the ignition after about five minutes. The key's details will be saved to your car's computer, and the new fob will be able to start your vehicle in the future. You can program any number of fobs you want however only one should be in use at any particular time. This will stop unauthorised people from copying your key and getting ahold of your car. You can purchase a new key fob online, however you'll still need to go to a locksmith or dealer in order to have it cut and programmed.
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