Mazda 3 Key Fob Replacement
There are occasions when a Mazda 3 owner might need to change the battery on their key fob. This is an easy task that you can complete yourself.
Find the small button on the back of your key fob. Press the button to remove the cover.
Lost Keys
The loss of your car keys used to be an inconvenience of a minor nature. You could replace them at any hardware store, locksmith shop, or dealer and it was cheap to do so. Today, your vehicle's high-tech key fob does much more than lock and start your car and that convenience comes at a cost that is more expensive replacements.
The key fob contains an electronic security chip that sends an unique code to the computer of the car to unlock and start it. The key fob can also be used to control other features, like rolling down your windows in hot parking spaces and summoning the car to you in order to reverse into a tight space (a feature that is available on certain Genesis GV60 sedans and Hyundai Sonata sedans).
Mazda's remote controls aren't nearly as expensive as other carmakers'. You can even replace the battery on your key fob yourself with a little knowledge. You'll require a flathead screwdriver and the new CR2025 to do this. Use the red and direction buttons to lock and unlock your doors prior to changing the batteries.
If The Key Lab want to save money on an Mazda 3 key fob replacement find one on eBay that is OEM and doesn't require programming by a locksmith or dealer. eBay has a variety of options however, they may not be the same color as your existing key fob.
Lockouts
One of the worst things that can happen to a driver is getting locked out of their car. There are some tricks drivers can employ to get into their car. First, they should try calling their local locksmith or Mazda dealership. This is a great option because it will probably be less expensive than calling a tow truck, and it's faster as well. The locksmith or dealer will require a key code from the database in order to create a new key fob, which typically costs about $100. This is why it's vital to save this code in a safe place.
Another thing that people can do if they are stuck outside of their car is to look on the underside of the key fob for an additional button. There is typically a small, round button that can be pressed and held. This will open the doors of the vehicle and permit the owner to open them manually.
The emergency override function is a different way to gain access to the car that is locked. This allows the key fob to take over functions that are not controlled by the theft-deterrent system. This will activate the hazard lights and sound to confirm that the doors, the lid for the fuel filler or liftgate are closed.
Transponder Chips
You'll need to replace it if the key fob is equipped with a transponder built into the head of the metal L-shaped key. The chips have a unique identification code which is used to open your vehicle.
The antenna ring emits a blast of radio frequency energy when you insert your key made of metal and turn it on. The energy is then absorbed by the chip transponder in the key. The chip responds by sending a code to the antenna ring. This informs the car that the key is in good condition.
Most Mazdas are equipped with a transponder chip with a rolling code that alters its code each time you turn the key. This means that the key will not function with your vehicle until you have a duplicate with the exact code in the ignition.
It's not difficult to make your own replacement key. If you're able find a working key, place it in your Mazda and set the ignition to ON. If the key is able to start your car, you can then copy the information from it to the other working key. If you need to, you can also utilize the eraser on your key fob in order to erase the code. It's important to keep in mind that this method isn't certain to work as some transponder chips recycled from the past might not be able to respond properly.
Programming
Losing your car keys is an expensive and time-consuming ordeal. Fortunately, Mazda has made it simple to add and program an additional key. You can do this in only a few steps and you will not need to pay the dealer for the service. You can avoid paying for towing or dealer fees if there is an extra car key.
First, you'll need to purchase an extra battery for your key fob. You can purchase one at an online retailer or hardware store for around $10. You'll also need a flathead screwdriver to open the fob. The screwdriver's tip should fit into a small slot or a space on the back of the fob. After you've removed your case you'll have to replace the old battery with the new one.
Now is the time to program the new key fob in your vehicle. Insert the first key that is working into the ignition and turn it ON. It should be on for about five seconds and then turn off the ignition. Repeat the process with a second key that works before switching to the new (or additional) key. Once you've completed the procedure, your Mazda should now be able to be started using the newly programmed keys. If it does not there may be a issue with your key fob or vehicle.