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 your keyfob or it was unable to function. This article will provide everything you need to be aware of adding, changing, and changing your Mazda 3 key fobs.
Certain keys require programming from an experienced locksmith, whereas others do not. Make sure to make use of official Mazda replacements for your key fob.
How do you add a spare key
You can also add another key in the event that you don't have a spare key available or if you accidentally break your existing one. You'll need to use a flathead screwdriver and a new CR2025 battery. Once you've got these items then it's time to access the key fob and swap the battery. First find the button that allows you to release the key. It's located on the underside of the metal piece and is easy to locate. The cover that covers the back should come off as soon as you press the button. Next, place the head of the screwdriver into the notch or space on the top of the metal piece and then pull it off.
Once the auxiliary key is removed, insert your new or spare key into the slot. Switch the ignition on and wait for approximately five seconds, and then turn it to off. This will add the new key's information into the system that will allow it to start your vehicle in the future.
It is important to remember that you can only program up to three keys for your Mazda 3. You don't want to use more than two key fobs in order to start your car. This is a safeguard to prevent unauthorized users from activating your keys and launching your vehicle.
How to Reprogram a spare key
If you have a spare key it's a good idea to be aware of how to program it in the event your original key is stolen or lost. This will stop unauthorised people from getting into your car and causing damage to it. This should work with any Mazda. You'll require two keys that are working to begin the reprogramming process. If you don't own two keys that function it's recommended to take your vehicle to a dealer to get this completed.
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Start by stepping into the driver's seat, shutting all doors, with the exception of the one that is open. Set the ignition to ON and insert the first working key. Wait five seconds before removing the key. Repeat with the second key.
After programming your new key, you'll have three keys that will allow you to start your vehicle in the future. Test each key to make sure that they're working properly before throwing them away.
It is advisable to purchase a spare Mazda 3 remote, especially when your car is susceptible to problems. You can buy one online or in your local auto store. Be 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 your key fob has died and you're in a position to not unlock your vehicle. It's not a problem to replace the battery and save some money at the dealership.
Press the auxiliary button on the back of the keyfob. This will remove the auxiliary key and expose a slot on both sides of the case. Place the flathead in one of these slots, and then gently pry the two halves of the case apart. When the battery is completely exposed, take it out and put it away somewhere that you won't forget about it.
Be sure to have an extra battery in place before you start. They can be found at any store that stocks batteries or at an Mazda dealer close to Winter Garden. Using the correct type of battery will ensure that your key fob operates perfectly.
Next, put the replacement battery in the correct place and replace the cap of the battery. Be careful not damage the rubber ring on which the battery rests. The two halves should be pressed together until you hear the click.
How can I reset the Keyless Entry System
The key fob in your Mazda 3 is not only an extra convenience, but also an important security feature. If you lost your key or had it stolen the car won't start, even if you have the spare fob. This is because the fob that you have to be reset at the dealership in order to work properly. This can be an expensive and frustrating ordeal, so 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 remaining electricity in the on-board computer. Next, disconnect both the LF-ECU and demand switch connectors. Verify the continuity between the next terminals.
Insert the key into the slot, then switch on the ignition. Keep the key in place for around five seconds, and then turn off. The key information is now added to the vehicle's computer and the new fob can start your car. You can program up to three fobs but you must only use one at one time. This stops unauthorized individuals from copying the key and getting ahold of your vehicle. https://www.thekeylab.co.uk/mazda-car-keys/ can purchase a replacement keyfob on the internet, but it still needs to be programmed and cut by an authorized dealer.
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