Car Key Fob Repairs
Key fobs of today are more than just a way to unlock and start cars. This added complexity can lead to expensive repair bills when it fails.
The good news is that the majority of fobs are equipped with flat-watch-style batteries that are easy to replace at home. It is possible that a simple reset can allow your fob to function again.
Battery Replacement
The most frequent reason a key fob stops working is due to the battery being dead. This is a simple fix, and it's worth a try before you go spending money on a new key fob. Take your car to a local auto parts store or a hardware retailer that sells button cell batteries and purchase a replacement. You can also consult your owner's manual (or in the event that you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions for opening and replacing the battery in the particular type of fob.
The majority of fobs have two halves that snap togetheryou'll have to gently break the sides to get to the battery. You'll need a small flat-bladed screwdriver, or a different tool with a thin blade. You can put your tool into a notch at the bottom of the key fob. It is also advisable to look for small pieces that could be loosened while working.
Install the new battery in the same manner as 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.
Test the fob to see whether it functions by pressing a button. If it doesn't work, there might be a problem with your car that needs to be repaired or replaced by a professional.
Certain key fobs can be difficult to open and the contacts may be brittle and easily damaged. In these situations an expert in the field or the dealer will likely be the best option. If you're looking to replace the battery, make sure to be very gentle and adhere to the instructions that are specific to your owner's manual. You might be able to find a similar battery at a discounter store or a big-box retailer but you'll have to check the owner's manual to ensure that it's compatible with your vehicle.
Replacing the Internal Key
To prevent theft, most key fobs come with a mechanical key hidden inside. When the fob battery dies it leaves behind a blank internal key that is able to unlock trunks and doors (and in some cases, even start certain vehicles). Most people aren't aware of this, but they can avoid having to go to the dealership by simply replacing the fob battery. Most modern fobs have flat watches-style batteries that are easy to find at hardware stores and auto parts shops. It is crucial to choose the correct kind of battery. A bad battery can cause damage to the circuitry and cause the fob to fail much earlier.
If the problem continues to persist after replacing the battery, it may be a sign that there is something else going on with your vehicle. If you have an owner's manual, check to see if a reset procedure is available to restore the fob's factory programming. If this doesn't work, you'll have go to a dealer or an independent shop that specializes in security systems for vehicles and key fob programming.
Fobs may also malfunction due to malfunctioning transmitter receivers. These are usually located close to the steering wheel or on the dashboard. car remote key repair transmit signals to enable you to unlock your car and start it with the fob. If you notice that you're being required to get closer and closer to your vehicle to get it to work, there's a great possibility that the transmitter is not working.
A professional might have to open the case of the fob to replace the transmitter. A simple screwdriver is usually enough to suffice, but certain fobs require a specific tool or a special piece of equipment that can only be purchased at a dealer. It's best to have a qualified mechanic handle this job to ensure you don't accidentally break the fob or cause injury to yourself.
Reprogramming the Key
A key fob that's not working could just require an upgrade in battery. These batteries are readily available in home improvement and pharmacy stores and are cheap. This is a good method to start before you purchase a new key fob.
You can also re-program your key fob by yourself If you follow the steps below. This process can vary between automobiles, so read the owner's manual and research your specific model. For instance, one key fob may require the ignition to be turned on while reprogramming it. A key fob might require the key to be inserted several times.
The basic procedure is simple. First, make sure that the new battery is in place. Close all doors, with the exception of the driver's door. This will ensure that the new key fob communicates with the vehicle correctly. Place the old key in the ignition, turn it ON but don't start the engine. Press the lock button while aiming the fob at the receiver of the transmission. It is usually located on the left side, just above the mirror. Within a short time frame the key will signal to the vehicle that it's programmed by cycling the doors' locks or generating an emitted sound. This process can be tricky and it's crucial to pay attention to the timing and to not over-press the key button.
If the key fob doesn't work after reprogramming, try replacing the batteries. If the issue is still there, you might want to check with your car dealer or locksmith. A professional will have all the tools and equipment to reprogram your car's fob, or even create a brand new one if needed.
Genesky claims he is able to program newer fobs ranging from $200 and $250, depending on the vehicle. He's had European models rejected because there isn't the equipment needed. Fortunately, many aftermarket fobs are programmable, but it's always recommended to consult an auto dealer first to see the price.
A New Fob
If your key fob is simply damaged beyond repair, you could need to purchase an alternative. Based on the make and model, the dealership or an auto locksmith may be able to assist. The dealership is likely to be the most expensive option for a replacement fob however, they'll have all of the necessary tools and software to program your vehicle correctly. For a more affordable solution, many independent locksmiths will be able to provide you with an entirely new car key fob for a much more reasonable price.
Before you purchase a new key fob it's a good idea to try resetting your current device. Your owner's manual should outline the proper reset procedure that is typically a series of button pushes which restores the original programming.
You should also check your owner's guide and warranty information to see whether you are eligible for a replacement key fob. If your car is under warranty, or you have a car insurance policy or auto club membership that includes bumper-to-bumper protection, you may be eligible for reimbursement for the cost of the new fob.
Finding the best location to purchase the fob you need can be difficult. You might want to visit the dealer to get this service if you are driving a brand new car and you want to be confident that your key fobs work properly. If you're looking for a cheaper alternative, it's possible to find a locksmith that will offer the same service at less cost.
A locksmith who is professional is a good option If you're not confident doing this kind of work. They are skilled and equipped to reprogram or replace most types of car key fobs and they can often complete the task quickly. Additionally, locksmiths can often come to your home or office to do the job which can be extremely convenient for some people. They can also cut and program keys on the spot in case you've lost them. This is ideal for those who do not want to leave their vehicle without a key.