How to Repair a Mazda 2 Key Fob
Many modern vehicles are equipped with key fobs that assist you in parking your car in a tight area. It can be expensive to replace these keys if they fail.
Most key fobs can be repaired at home. You can buy a new battery at your local big-box retailer or hardware store. The majority of models require an screwdriver.
Keys lost or stolen

It's great that vehicles have key fobs nowadays however, they also make it easier for thieves to gain access to your vehicle. These tiny electronic devices let you open your doors and operate functions from afar. They do this by using radio signals that connect to the receiver in your car.
Most modern Mazda models have transponder chips inside the key fob. It needs to be programmed, or "paired," with the vehicle. It's a challenging process, but it's not impossible. Depending on the year you purchased and model, you could have to visit a dealer or an automotive locksmith to have it done. Certain cars require that the code be programmed through the vehicle's computer, but others can be made by an automotive locksmith without needing to connect to the car's system.
A replacement Mazda key fob can be purchased from your local auto dealer, however, this could be a costly option. Find a locksmith locally who can work on a variety of models and brands. They can cut the key for you and program it for the most affordable price.
You can also purchase an alternative Mazda key fob online at an online retailer like We Buy Key Fobs. You can upload a photo of your old keyfobs for an estimate and then send them off to be battery replaced.
Broken or damaged Buttons
If a key fob's buttons stop working, it could be time to have it repaired. A faulty keyfob is a major hassle, especially when you're using it to start your car. Along with being costly to replace, a damaged or damaged button could be difficult to determine and fix.
In order to function properly, your key fob needs to be connected with the receiver of your vehicle. This connection could be damaged by a variety including physical damage or water. Reprogramming will typically be necessary if the key fob was damaged by any means.
It can also stop working in a timely manner if your key fob's batteries are dead. Go through the owner's manual before taking the battery out of your keyfob to determine whether it requires a certain type of battery. Replace the old batteries once you've completed this step.
If you have an additional key fob, test it to see whether the issue continues. If so, it's most likely the buttons on your mazda key fob . You'll need to take apart your key fob and clean it. The buttons might need to be pressed in a specific way to work. You could also try adjusting the buttons, but in most cases, this is not going to do anything to help you.
Your car won't start
It can be alarming when you press the button on the fob and nothing happens. Fortunately, most times this is due to the fact that your key fob battery has gone bad. This is a frequent issue which is the reason it's a good idea to keep a spare in your wallet or purse at all times. It's simple to replace the battery. Simply take out the old battery and replace it. Reattach the cover after ensuring that the new battery is fully installed.
The car's radio receiver may also be damaged. It's difficult to identify, but you may try reprogramming the fob to see if it fixes the issue. Turn your ignition on and then press the lock or unlock buttons eight times in an interval of up to 10 seconds. This will cause the system to resynchronize the transmitter.
You can also try using your spare key fob to start the car should you have one. If you don't own an extra key fob, your Mazda owner's manual or manufacturer's site might have an answer. If you can't find anything else, you may need to replace the whole fob. In this case, be sure to schedule an appointment at Holiday Mazda in Fond du Lac, WI for repair or replacement service.
Replacement
We're all familiar with the uncanny ability of car keys to disappear inside pockets on coats, behind couch cushions, and other places where they shouldn't be. In the past, if you lost a car key, you could seek the replacement from a locksmith or a dealership. Modern cars have an electronic key that can not only unlock and lock the vehicle but also perform cool things such as open the windows or re-enter the vehicle from a parking lot.
They require the expertise of a dealer or an auto locksmith to program and replace as they aren't inexpensive. We contacted several dealers to find out what it would cost to replace fobs for well-known and expensive models, and quotes varied from $150 to $400 and a few that were at the top of the range.
The majority of modern cars have fobs with a transponder which is programmed by an automotive locksmith or dealer. The good news is, the codes for these keyfobs are typically stored by the dealership. This means that, in the event that you lose one, you can likely replace it at a minimal or no cost. Just be sure to keep the code number on a separate piece paper in a safe spot (and not inside the vehicle) and you'll be fine.