10 Healthy Habits To Use Repair Car Key How to Repair Car Key Fobs

Even though we use them numerous times, key fobs are not impervious to destruction. In fact, they can break down in a variety of ways.

While the most common issue is a dead battery, other issues can be more grave. The majority of these issues can be resolved with a quick fix at home.

Dead Battery

A dead battery is probably the most common reason the car key fob stops working. Fob batteries tend to drain quickly, especially if they are exposed to hot or humid temperatures, or water. It's a good idea to keep an additional fob battery in your wallet just in case.


The LED light will typically stop blinking when the battery in your car key fob is running low. It's also possible that your key fob will no longer work from the same distance as it used to. In this case it might be necessary to re-program your key fob or replace it altogether.

Fortunately replacing the battery in a car key fob is simple. Find out the type of battery that is used. The type of battery you are using should be embossed in the side of your key fob. Google can help when you're not sure. Unlock the key fob along the seam once you have identified the battery type. You'll need an small screwdriver with a flat head or your fingernail to pry the two halves apart. Then, you can remove the old battery and put the new one in its place. Be sure to insert the new battery with the positive (+) side facing upwards towards the buttons on the fob.

Some drivers don't realize that their fob has died until they lock or unlock their vehicle and the buttons don't work anymore. In some cases this issue can be resolved by reprogramming the fob, but that can be costly and time-consuming. Another option is to contact roadside assistance and ask them to jump your vehicle and get you back on the road.

If you've tried both solutions and your vehicle still won't turn on, it's time to call a professional. A certified technician can determine whether your car's computer requires reprogramming, or if the fob only requires replacement batteries. They can also recommend an auto shop that will replace the key fob. Sometimes it is possible that a new fob might be the best option.

Damaged Circuit Board

Key fobs can withstand some physical abuse and is not impervious to destruction. The battery, circuit board buttons, and other components all suffer their fair share of wear and tear with time, so it's important to be on guard and take care of them in order to keep your car key fob operating efficiently.

Make sure that the battery still functioning in your key fob. If it is replaced, determine if this fixes the issue. If not, you might need to open the key fob and clean the contact surfaces. It is sometimes difficult to open some key fobs due to the fact that they don't have an easy release mechanism. You could cause damage to your fob by trying to force it apart. You can buy a tool to open your key fob. However, you must always follow the instructions of the manufacturer to avoid damaging the.

A damaged or defective key circuit board for the fob is another frequent issue. It can be caused by various factors, such as dirt or moisture getting into the battery compartment software, hardware issues or even an unintentional firmware update. If your key fob isn't functioning completely, you should think about having it reprogrammed with an expert locksmith who specializes in this kind of work.

Radio interference is another possibility. It could happen in the event that you have other wireless devices around that transmit on the same frequency, like radar detectors or home security systems. If this is the case, consult with other manufacturers of your device to make sure that your key fob isn't affected by their signals.

You may also need to replace a switch or an electrical component inside your key fob. You can find online guides that will show you how to fix this yourself. Be careful, however, as the circuit board that is inside your key fob is very small and is prone to breaking if handled with care. If you're doing this yourself, be certain to use a top quality SMT switch and solder it in place correctly.

Buttons that are worn out

Car key fobs can get quite a bit of wear and tear. They are susceptible to being lost and spend a significant amount of time being jostled in your pocket or purse. This jostling can sometimes cause buttons to wear out or get stuck. A simple adjustment can fix the issue.

Modern key fobs come with sensors that detect when they have been press. They're designed to do this to decrease the chance of someone stealing your car. If the buttons on your key fob don't respond when you press them, they're damaged and should be replaced.

The circuit board that is in the key fob also transmits signals to your car. Those signals include unlock and lock commands, as well as commands to start your engine. If the circuit board inside your vehicle is damaged then your key fob might not allow you to unlock your car or start the engine. Typically, this type of damage is caused by water, blunt force or a scratch on the circuit board.

If you have to press the buttons harder than normal to make them function the key fob buttons are getting worn out. In addition the fob might stop transmitting a signal to the car or it'll have less range than before.

If you're unable to get your key fob to unlock or start your vehicle, it's crucial to find a locksmith near you immediately. They'll be able to determine whether the key fob itself is damaged or the ignition cylinder has worn out.

Fortunately, most car key fob problems aren't serious or complicated. The best way to ensure you don't get surprised by an unresponsive key fob is to have an extra in your pocket at all times. You'll never be caught in the middle because of an unresponsive or lost key. If you do happen to lose your car key spare, a locksmith will be able to rekey it to ensure it is compatible with your car's ignition. They can also repair any internal damage to the key fob.

Broken Case

A key fob's case provides more than just protection for the buttons and battery. It also houses the circuit board responsible for performing all the electrical magic when you press the button on your key fob. The board transmits the signal from your key fob to your car.

repair car key won't function if the board is damaged. Sometimes a dead key fob may need to be reprogrammed which is something that your local auto locksmith or the dealership can help you with.

Another reason your key fob might not be working is that the batteries are dead. This is a quick solution that can be done at home by replacing the battery. The positive side is that you can find an alternative battery online or at your local auto parts shop since these batteries aren't exclusive to key fobs.

There are many ways to open the key fob and go inside, based on the type. A quick internet search should show you which type of key fob you have and what kind of battery it uses. From there, you can purchase a replacement and easily pop the old one out and put the new one in.

When repairing a broken key fob, the most important concern is not to damage the circuit or buttons further. If you try to pry away the key fob with the screwdriver or another sharp edge, it could crack the plastic or damage the case. Fortunately, a replacement for the case isn't expensive and you can get an entire fob with the electronics on eBay or Amazon for less than $40.

If your key fob does not function, make sure you've damaged the circuit board or batteries. If this isn't the situation, you can get it repaired quickly and cheaply by an expert. If not, it could be time to replace the fob. Make sure you check the warranty of any fob replacement or used purchased online.