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A Guide To Key Fob Repair From Start To Finish
Car Key Fob Repair Service

If your car key fob stops working you may be in a bind. It's costly to replace it, but in some cases it's the most effective solution.

However, before you go to the dealer to have one of your documents redrawn There are other places you can go that will save you money.

Dead Battery

One of the most common issues with key fobs is the battery being dead. It can make people feel a bit uneasy, especially when it happens as you are leaving for work or heading to a social event. Even if you have a backup plan in place for emergencies, like an extra key or phone number for assistance on the road, you will likely need to get the fob repaired or replaced. The good news is that the majority of car key fob battery problems are easily fixable with the right information.

Many modern vehicles come with a backup system to cover the possibility that a fob's battery could go bad. Usually it is the case that if you hold the dead fob to the ignition button, you'll be able start the vehicle. If you own a vehicle that uses push-to-start and you want to unlock your doors. The owner's manual for your car will provide specific information on where to place the fob of the key to start it.

Other causes of a key fob that doesn't turn on or respond to the button presses include buttons that aren't being depressed completely, a battery that has low capacity or a remote control that needs to be reprogrammed. In some instances it is possible that a simple clean could be all that is needed to get your key fob working again. As key fob buttons get repeatedly pressed, dirt could build up and block them from being fully pressed.

You can use the clip's end of a clip to quickly clean your key fob. This can be used to safely open the case and remove your old battery. Keep an extra battery as well as any tools you may need to open the key fob's case at hand. This way, you'll be ready for a problem with your key fob so that it won't disrupt your day or result in having need to call for roadside assistance. You can also keep a spare key in your pocket so that you aren't surprised by a malfunctioning key fob.

Button Issues

The buttons on a key fob send signals to the circuit board on the remote when they're pressed. If the buttons wear out, signals may not be sent and the fob won't be functioning. This can happen over time, or it could be the result of an issue with the fob or car. A professional can fix or replace the button if it's damaged.

Key fobs are often subjected to a lot of abuse. Everyday, they're damaged, thrown around, and exposed both to cold and heat. They're also pretty delicate and are easily broken. The inside of the fob has components like a circuit board and battery contacts that could be destroyed if abused enough.


Most issues can be fixed by changing the battery in your fob, however there are certain issues that require more. You can test the battery using a screwdriver to remove the case of your key fob and see whether it is required to be cleaned or replaced. The most commonly used batteries in key fobs are 3V button batteries that can be bought in nearly any store.

Even a tiny amount of water can damage the fob. This could be a concern when you swim with the key fob in your purse or accidentally put it through the washing machine. This can damage the transponder chip within and cause the key fob to cease working.

If you're dealing with a problem with a button the best solution is to speak with a professional locksmith. They will usually be able to fix or replace the button and reprogramme it for you. They can also fix other electrical problems like the broken light or horn that won't work.

repair car key to keep up with the latest technologies and equipment for your car. Cars can be expensive. If you don't the vehicle won't work effectively and you'll encounter a more difficult time getting to where you need to go. It's also a big safety issue to have faulty equipment and technology because it could cause more serious mechanical issues later on.

Broken Battery Terminals

If you have been trying to start your car and the fob isn't working it could be a sign that the battery terminals are broken. The fob has to be able to communicate with the central system of the vehicle in order to unlock and start it. This is accomplished via a tiny radio transmitter within the key fob. The transmission signals are sent to the car key's internal circuit (if there is one) and it unlocks the doors and starts the engine. The fob is designed to send this signal over distances of up to 50 feet, but the transmission may not work in the event that the battery terminals have been damaged.

These are straightforward solutions. The process of replacing the battery is usually as simple as removing the old battery, finding out which replacement batteries are required and then going to an auto parts store or online retailer for the correct ones. It can be difficult to open some key fobs to get to the batteries. Be cautious not to scratch any item.

The next step is to try the key fob again. If it still doesn't work, it is possible that the key made of metal inside the fob has been damaged or the key has been reprogrammed. Modern keys are programmed to work with certain vehicles, and a certain error code can corrupt the programming of the key fob. A professional can reprogram the key to the vehicle.

Another possibility is that the fob itself is damaged, especially if it was dropped or left in the rain. It could also be that the key fob was exposed to excessive heat or had other issues that led to the circuit board to fail. This could happen when you are working on your vehicle and accidentally exposed wires. This could cause other malfunctions like a broken key fob or broken horn. Make sure you check your key fob, and replace or repair it if needed. In the absence of a functioning key could be stressful and even dangerous.

Other Issues

Car key fobs are a great convenience to have, but they can also cause issues that require professional repair. Thankfully, many of the issues that can plague keys for cars are relatively easy and cheap to repair. Here are some of most frequent problems, and potential solutions.

A dead battery

The majority of basic remotes last for a long time before requiring a new battery, but the life span of Smart Key fobs is generally much shorter. Fob batteries must be replaced every three or four years and may cease working if they are too old. Fortunately, this is an easy problem to solve - simply buy a new replacement battery and install it.

Damaged receiver

To start and open your vehicle the transmitter inside your keyfob has to receive a message from the receiver inside your car. If the receiver is damaged, signals won't pass through and remain unreadable. This is an easy issue to determine, but it may be necessary to replace the whole receiver if it's too damaged.

Not programmed

Certain cars of the present require an extra chip inside the key fob to start. The chip communicates with the car through a code that only the manufacturer knows. In most cases, you must visit the dealership to get a replacement fob that is properly programmed for your vehicle. However, you can sometimes locate aftermarket fobs on the internet that are compatible with most automobiles.

Not working

If your car key fob does not function after you've replaced the battery and buttons, it could be due to an electrical issue or another type of issue that requires professional repair. A locksmith professional will be able to look for this kind of issue and get your key fob back to working order quickly. This service is usually cheaper than a trip the dealership. The cost of a new fob will depend on the model of your car and the local locksmith. Contact a few locksmiths in your area to find out the price before committing to an appointment.

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