Car Key Fob Repair: 11 Things You've Forgotten To Do
Car Key Fob Repairs

Key fobs today do a lot more than unlock and start vehicles. This extra complexity can lead to expensive repair bills when it fails.
The good news is that most fobs use flat watch-style batteries that are simple to replace at home. And you may find that a reset will make your device work again.
Battery Replacement
A dead battery is the most common reason for a key fob that isn't working. It's a simple fix, and it's worth trying before you spend money on a new key fob. Simply drive your car to a local hardware or auto parts retailer that carries button cell batteries and purchase a replacement. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to remove and replace the battery in your fob.
Most fobs have two halves that snap together -you'll have to gently break the sides to get to the battery. You'll require a small flat-bladed screwdriver, or another tool with a thin blade. You can insert your tool into a notch on the bottom of the key fob. It is also advisable to look for small pieces that may be loosened while working.
Insert the new battery in the same way you removed the previous one. The positive (+) side should be facing the buttons, while the opposite side is facing (-), the markings on the compartment for the battery.
Press a button to test the fob. If it doesn't work, there could be an issue with your car that requires a specialist to repair or replace.
Some key fobs require special tools to open and close, and the connections inside may be delicate and susceptible to corroding. In these instances, the best option is to talk to a specialist or dealer. When replacing a battery, be patient and follow your owner's manual. You might be able to find a similar battery at a discounter or a big-box retailer however, you'll need to refer to your owner's manual to ensure that it matches your car.
Replace the internal key
To protect against theft, the majority of key fobs come with an internal mechanical key that is hidden within. If the battery inside the fob fails and the key is discarded, a blank one is left behind and can be used to unlock trunks and doors. In some instances the key could even start certain cars. The majority of people do not realize that they can save a trip to a dealership by recharging the fob batteries. The flat watch-style battery is found in most modern fobs. These batteries can be found in hardware and auto parts stores. Choosing the right type of battery is important however. The wrong type can damage the circuitry, causing the fob's failure earlier.
If you try replacing the battery and find the issue persists, it could be an indication that something else is going on with your car. If you have an owner's manual and you're not sure, try to determine if a reset procedure is available to restore the fob's original programming. If this doesn't work then you'll need to visit a dealership or an independent shop that specializes in vehicle-security systems and fob programming.
Fobs may also malfunction because of faulty transmitter receivers. They are usually found close to the steering wheel or on the dashboard. They transmit signals to allow you to unlock your car and start it with the fob. If you're having to get closer and closer to your car to be able to make it work, there's a high possibility that the transmitter is not working.
A professional might need to open the fob's case to replace the transmitter. A simple screwdriver is usually enough to work, however certain fobs require a special tool or equipment that can only be found at a dealer. This job should be done by a qualified mechanic to avoid damaging the fob and yourself.
Reprogramming the Key
A key fob that is not working may simply need a new battery. These batteries are readily available in both pharmacy and home improvement stores and are cheap. This is a good way to start before buying an entirely new key fob.
You may also be able to reprogram the fob yourself by following some basic steps. The procedure may differ for different vehicles, so it is recommended to consult your owner's guide and research your specific model. For example, one key fob may require that the ignition be turned on while reprogramming it. One key fob may require the key to be inserted several times.
The general process is simple. First, make sure the new battery is firmly in place. Then, get into the driver's seat, and close all doors EXCEPT for the driver's side door. This will ensure that the new key fob can communicate with the vehicle correctly. Put the old key in the ignition, then turn it on but do not start the engine. Press the lock button while aiming the fob at the receiver for transmission. This is usually located on the front above the mirror. https://www.g28carkeys.co.uk/car-key-repairs-near-me/ will inform the vehicle within a brief amount of time that it's being programmed. This can be done by turning the door locks, or emitting an audible chime. This process can be tricky so it's essential to pay attention to the timing and to not over-press the key button.
If the key fob isn't working try reprogramming it using new batteries. If the issue isn't resolved then a visit to the dealer of your vehicle or a locksmith is a good idea. A professional will have the tools and programming equipment needed to reprogram your car's fob or clone an entirely new key if required.
Genesky says he can usually program newer fobs for around $200-$250, depending on the model of vehicle. However, he's had the need to turn down customers who have European models due to the fact that he doesn't have the expensive equipment required. Fortunately, most aftermarket fobs can be programmable, but it's always best to talk to an auto dealer first to find out what their price is.
A New Fob
If your key fob cannot be repaired, you might require another one. Depending on your vehicle's make and model, an auto locksmith or a dealership might be able to assist. The dealership is likely to be the most expensive choice for a replacement fob but it will also have the tools and software required to program your car properly. Many independent locksmiths provide a new car key fob at the lower cost.
Before you purchase an entirely new device it's recommended to consider resetting your current one. The owner's manual should outline the correct method of reset. This is usually the result of a series of button presses which restores the factory settings.
You should also look over your owner's guide and warranty information to see if you can get an alternative key fob. If your car's warranty still in effect or you have an auto club or insurance policy that covers bumper to bumper, you may qualify for a reimbursement of the cost of replacing the fob.
Finding the right where to purchase a fob can be a challenge. If you own a new car and want the peace of mind that comes from knowing that your key fobs are in working order, you may prefer going to the dealership to get this service. If you're looking for an affordable alternative it is possible to find an independent locksmith who can provide the same services at a much lower cost.
If you're not comfortable doing this kind of work yourself A professional locksmith could be a great choice. They are trained and equipped to repair or replace car key fobs of all types and can do it quickly. A locksmith is also able to visit your office or home, which is convenient for many. They can cut keys and program them on the spot in case you've lost keys. This is great for those who do not like to leave their car in the garage.