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 regardless of whether you lost your keyfob, or it has stopped working. This article will tell you how to add, modify or reprogramme your 2016 mazda 3 key fob programming 3 keyfobs.

Certain keys require programming by an expert locksmith, while others don't. Be sure to only make use of official Mazda replacements for your key fob.

How do I add a spare key?

You can also add another key in the event that you don't have a spare key available or in the event that you break your existing one. To accomplish this, you'll require a small screwdriver with a flat head and an updated CR2025 battery. Once you've got the tools then it's time to open up the key fob and swap the battery. Find the auxiliary key release. It's on the underside of the metal component and is easy to locate. The back cover should come off as soon as you press the button. Then, insert the screwdriver's head into the notch or space on the top of the metal piece and pull it away.

After the auxiliary key has been removed, insert your new or spare key into the slot. Set the ignition to ON and wait for about five seconds before setting it to OFF. This will register the new key's information to the system which will allow it to start your car in the future.

It's important to note that you can only program up to three keys on your Mazda 3. You don't want to have to utilize more than two key fobs in order to start your vehicle. This is a precautionary measure to prevent unauthorized users from activating your keys and then starting your vehicle.

How to Reprogram a Spare Key

It's a good idea to know how to reprogram an extra key in the event that your original key becomes lost or stolen. This will prevent unauthorised persons from stealing your car and starting it. This procedure should work with any Mazda but you'll need two working keys to begin the reprogramming. If you don't own two keys that function, it's best to take your Mazda to the dealer to get this done.

Begin by stepping into your driver's seat, and shutting the door, excluding for the one that's open. Set the ignition to ON and then insert the first working key. After five seconds, remove the key and repeat the procedure with the second working key.

Once you've programmed your new key, you'll have three keys that you can use to start your car in the future. Test each key to make sure that they're working properly before throwing them away.

It's a good idea purchase a spare Mazda 3 key fob, particularly if you're a driver who is prone to losing keys or has other issues with it. You can purchase one online or in your local auto store. Make sure to go through reviews prior to purchasing to ensure you don't buy the wrong key fob that isn't compatible with your car.

How do I change the battery on a spare key

There's nothing worse than discovering that the battery for your key fob has gone out and you're not able to unlock your vehicle. It's a good thing that it's simple to replace the battery and save yourself some monrn off. The key's information is stored in the car's computer and the new fob can start your vehicle. You can program as many fobs as need however only one must be used at any specific time. This stops unauthorized individuals from copying your key and gaining access to your vehicle. You can purchase a new keyfob online, however it'll still need to be programmed and cut by an authorized dealer.