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How to Add, Change, and Reprogram a Mazda 3 Spare Key
It's a good idea to have an extra key on hand no matter if you've dropped the keyfob or it stopped working. This article will show you how to add, alter, and reprogramme your Mazda 3 keyfobs.
A word of caution: some keys require programming by a professional locksmith or dealer, whereas others do not. Make sure to make use of official Mazda replacements for your key fob.
How do I add an extra key
If you're not fortunate enough to receive a spare keys from the dealer when you buy your Mazda 3 or accidentally break the one you have, don't worry -- there's still the option of adding another key. You'll need a flathead screwdriver and a CR2025 new battery. Once you have these items and are ready to open the key fob and replace the battery. Locate the key release auxiliary. The button is located beneath the metal portion. It's easy to find. The back cover should slide off as soon as you press the button. Then, put the screwdriver head into the notch on top or into the space and take the metal part away.
Insert your new or spare key into the slot after removing the auxiliary key. Turn the ignition on and then wait for around five seconds, then set it to OFF. This will allow the system to recognize the new key and start your vehicle in the future.
You can only program three keys in your Mazda 3. The most important thing is to have more than two functioning key fobs and not being in a position to get your vehicle started. This is a security measure to stop unauthorised users from activating your keys and launching your car.
How to reprogram an unrepaired key?
It's a smart idea to learn how you can reprogram an extra key in the event that the original key is lost or stolen. This will stop unauthorized persons from starting your car or taking it. This will work with any Mazda. You will require two keys that are functioning to begin the reprogramming process. If you don't own two keys that function, you should take your car to a dealer to have this done.
Start by stepping into the driver's position, and closing all the doors except the one that is open. Insert the first working key in the slot, then turn the ignition to ON. Then wait five seconds before taking out the key. Repeat the process with the second key.
Once you've completed programming your new key, you should have three keys that will work to start your vehicle in the future. Test each key to ensure sure that they're operating correctly before throwing them away.
You should consider buying an extra Mazda 3 remote, especially in cases where your car is prone to problems. You can purchase one online or at a local automotive store. Make sure to review the reviews before buying to ensure you don't buy a key fob which isn't compatible with your car.
How do I change the battery on a Spare Key
It's depressing to find out that the key fob you used to use has gone out and you're locked out of your vehicle. Luckily, it's easy to replace the battery and save some cash at the dealership.
Press the auxiliary key button located at the back of the keyfob. This will release the metal key that is used as an auxiliary key, and expose two slots on the sides of the case. Insert the flathead screwdriver into one of these slots and then gently break the two sides of the case. When the battery is completely exposed, take it out and place it in a safe place somewhere that you won't forget about it.
Before you start, make sure that you have a new replacement battery. You can purchase them at any store that stocks batteries or at an Mazda dealer close to Winter Garden. The right kind of battery is vital to ensure that your keyfob is working properly.
Replace the battery cap and then insert the new battery. Be careful not damage the rubber ring on which the battery rests. Finally, press the two halves of the key fob until you hear the sound of clicking.
How to Reset the system's Keyless Entry System
The Mazda 3 key fob is not just a practical feature. It also serves as a security feature. The car will not start if your key is stolen or lost even if you have a spare key fob. The key fob has to be reprogrammed by the dealer to make it work again. It can be a frustrating and costly experience. Therefore, it's best to learn how you can reset the system.
To reset the system, unplug the battery for 15 minutes. This will clear any residual electric current from the onboard computer. Then, disconnect both the connectors for the LF-ECU and the demand switch connectors. After how to open a mazda 5 key fob , test for continuity between the following terminals:
Place the key into the slot, and turn the ignition ON. The key should remain in the ignition for about five seconds, then turn off. The key's details will be added to your vehicle's computer and the new fob will be able start your vehicle in the future. You can program as many fobs you desire however only one should be used at any given time. This stops unauthorized individuals from copying your key and getting ahold of your car. You can buy a new key fob on the internet, but you'll need to visit a dealer or locksmith to have it cut and programmed.