How to Add, Change, and Reprogram a Mazda 3 Spare Key
If you've dropped your key fob on the ground or it just stopped working, it's an excellent idea to keep an extra key available. This article will show you how to add, change, and reprogramme your Mazda 3 keyfobs.
A word of warning Some keys require programming by a locksmith professional or dealer, whereas others don't. Make sure you only make use of official mazda dealership key replacement replacements for your key fob.
How to add a spare key
You can also add an additional key in case you don't have a spare key or in the event that you break the one you have. To do this, you'll need a small flathead screwdriver and an updated CR2025 battery. Once you've got these items then it's time to open the key fob. Find the auxiliary key release. It's located under the metal part and is easy to find. Once you hit the button, the cover should be removed immediately. Next, place the screwdriver's head into the notch or space at the top of the metal component and pull it off.
After the auxiliary key has been removed, insert the new or spare key into the slot. Turn the ignition on and wait for approximately five seconds, and then turn it to OFF. This will add the new key's information to the system which will allow it to start your car in the future.
You can only program three keys to your mazda 6 key replacement 3. The final thing you want is to have more than two working key fobs, and not be in a position to get your car started. This is a safety measure to prevent unauthorized users from activating your key fobs and starting your vehicle.
How to Reprogram a Spare Key
It's a smart idea to be aware of how to reprogram an extra key in the event that the original key is lost mazda key or stolen. This will stop unauthorized persons from opening your car or taking it. This will work with any Mazda. You will require two keys that work to begin the reprogramming. If you don't have two working keys, you'll need to bring your vehicle to the dealership to have it done.
Begin by putting yourself in the driver's seat and closing the door, except for the one that's already opened. Set the ignition to ON and insert the first functioning key. Then wait five seconds before taking out the key. Repeat with the second key.
After you finish programming your new key, you should have 3 keys that will start your car in the near future. Test each key to make sure they're working correctly before taking them off.
It's a good idea buy a spare Mazda 3 key fob, especially if your car is one who frequently loses their key or has other issues with it. You can buy one online or at your local auto store. Be sure to read reviews before purchasing to ensure that you don't get an item that isn't compatible with your vehicle.
How to change the Battery on a spare Key
There's nothing worse than finding that your key fob battery has died and you can't unlock your vehicle. It's easy to change the battery yourself and save money at the dealership.
The first step is to press the auxiliary key button located on the back of the key fob. This will remove the key made of metal and reveal the slots 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 is fully exposed, take it out and set aside the case in a place where you will not forget it.
Before you start, make sure you have a brand new replacement mazda key battery. These batteries can be purchased at any store that sells batteries or from a mazda 2 key replacement dealer in Winter Garden. The right type of battery is essential to make sure that your keyfob functions properly.
Replace the cap on the battery, and then put in the new battery. Be careful not to scratch the small rubber ring the battery is placed on. Finally, press the two halves of the key fob until you hear the sound of a click.
How to Reset a Keyless Entry System
The key fob in your Mazda 3 is not only an option for convenience, it's an important security feature. If you lose your key, or have it stolen the car won't start even if you have the spare fob. This is because the key fob needs to be reset at the dealership to work again. This can be a painful and costly ordeal. Therefore, it's advisable to understand how you can reset the system.
Remove the battery from the system for 15 minutes. This will clear any residual power from the on-board computer. The next step is to disconnect the LF-ECU and demand switch connectors. Then, check continuity between the following terminals:
To program the new key or spare, place it in the slot and turn the ignition to ON. Keep the key in place for around five seconds, and then switch off. The key information is now stored in the car's computer and the new fob will start your car. You can program up to three fobs, but you must only use one at a time. This will prevent unauthorized persons from copying your key and gaining access to your car. You can purchase a new keyfob on the internet, but it will still need to be cut and programmed by an authorized dealer.