How to Add, Change, and Reprogram a Mazda 3 Spare Key
It's a good idea always to have an extra key on hand in case you lose your keyfob, or it stopped working. This article will go over everything you should learn about changing, adding, and programming your Mazda 3 key fobs.
Warning: Some keys require programming by an experienced locksmith, whereas others don't. Only use authentic Mazda replacements to replace your key fob.
How do I add a spare key?
If you're not lucky enough to receive a spare key from the dealer when you purchase your Mazda 3 or accidentally break your current one but don't worry, there's the option of adding another key. You'll need to use a flathead screwdriver and a CR2025 new battery. Once you've got these tools, it's time to open the key fob and replace the battery. Locate the auxiliary key release. It's located on the underside of the metal part and is easy to locate. Once you press the button, the cover should fall off right away. Then, you can insert the screwdriver's head into the notch or spacing on the top of the metal component and pull it off.
After the auxiliary keys are removed, insert the new or spare key into the slot. Set the ignition to ON, and wait for five seconds before setting it to off. This will allow the system to recognize the new key and begin your vehicle in the future.
It is only possible to program three keys to your mazda replacement key 3. You don't want to have to use more than two key fobs in order to start your car. This is a safety precaution designed to prevent unauthorised users, such as valet drivers, from activating your key and starting your vehicle.
How to Reprogram a Spare Key
It's smart to know how you can reprogram a spare key in the event that the original key is lost or stolen. This will prevent unauthorised persons from stealing your car and starting it. This method should work on any mazda cx 5 key programming however, you'll require two keys working to begin the process of reprogramming. If you don't have two working keys, you'll have to bring your vehicle to the dealership to get it done.
Start by stepping into the driver's seat and close all the doors with the exception of the one that is open. Insert the first working key in the slot, then set the ignition to ON. Take five seconds before removing the key. Repeat with the second key.
Once you've completed programming your new key, you'll have 3 keys that will be able to start your car in the future. Before storing each key, make sure that it's working correctly.
You should think about buying an extra 2016 Mazda 6 Key Fob Programming 3 remote, especially in cases where your car is prone to problems. You can buy one online or in your local auto store. Make sure to go through reviews prior to purchasing so that you don't get the wrong key fob that isn't compatible with your car.
How to change the Battery on a Spare Key
There's nothing more frustrating than finding that your key fob battery has died and you can't unlock your car. It's not a problem to replace the battery and save some money at the dealership.
The first step is to press the auxiliary key button that is located on the back of the key fob. This will take out the metal auxiliary key and expose slots on both sides of the case. Press the flathead screwdriver into one of these slots and gently remove the two halves of the case. Once the battery is fully exposed, take it out and put it away somewhere safe from being lost.
Be sure to have an extra battery in place before you start. You can find these in any store that sells batteries or at a mazda cx 5 key dealer near Winter Garden. Using the correct type of battery will ensure that your key fob works properly.
Replace the cap on the battery, and then insert the new battery. Be careful not damage the rubber ring on which the battery rests. Finally, press the two parts of the key fob until you hear an audible click.
How do I reset the Keyless Entry System
The key fob on your 2011 mazda 3 key fob 3 is not only an option for convenience, it's an important security feature. The car will not start if the key is lost or stolen, even if you've got an extra key fob. This is because the key fob needs to be reprogrammed by the dealership in order to work again. It can be a stressful and costly ordeal. Therefore, it's best to learn how you can reset the system.
Remove the battery from the system for 15 minutes. This will erase any residual electricity in the on-board computer. Then, disconnect the LF ECU and demand switch connectors. Check continuity between the following terminals.
To program a new key or a spare, insert it into the slot and set the ignition to ON. The ignition should be turned off after approximately five seconds. The key's information 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 up to three fobs but you should only use one at a time. This will stop unauthorised people from copying your key and gaining access to your vehicle. You can purchase a new keyfob online, but it'll still need to be programmed and cut by a dealer.