Car Key Fob Repairs
Key fobs today do much more than simply unlock and start vehicles. However, that added complexity can cause expensive repair costs in the event that one of them malfunctions.
It's good to know that a majority of fobs are powered by flat-watch-style batteries which can be easily replaced at home. You may find that a simple reset is enough to allow your fob to function again.
Battery Replacement
A dead battery is the most frequent reason for a key fob that isn't working. It's easy to repair and worth a try before you spend money on an alternative fob. Simply drive your car to an hardware or auto parts retailer that stocks button cell batteries and pick up 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 open and replace the battery in your fob.
You'll need to gently pull away the sides of the majority of fobs in order to access the battery. You'll typically need a small screwdriver or a different tool equipped with a thin, flat blade. It might help to look for a notch on the bottom of the fob that you can wedge your tool between. You might also want to watch out for small pieces that could break loose as you work.
Install the new battery in the same way as you removed the old one. Make sure the positive (+) side is facing upwards toward the buttons, and that the negative (-) side of the battery is aligned with the markings inside the battery compartment of your fob.
Check the fob to determine whether it is working by pressing a button. If it doesn't work, there could be a problem with your car that requires a specialist to fix or replace.
Some key fobs require special tools to open, and the contacts inside could be fragile and susceptible to corroding. In these cases you should consult a specialist in your car or dealer may be your best option. If you need 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 however, you'll need to check the owner's manual to ensure that it's the right one for your vehicle.
Replace the internal key
Most key fobs contain an actual mechanical key however, it's hidden within the fob to keep it from being stolen. If the battery inside a fob dies and the key is discarded, a blank one is left behind, which can be used to open doors and trunks. In some cases it is possible to start certain vehicles. Most people aren't aware of this, but they can avoid a trip to the dealership by simply replacing the fob's battery. The majority of modern fobs utilize flat watch-style batteries that are easy to find at auto parts stores and hardware shops. It is essential to choose the correct type of battery. The wrong type can damage the circuitry, causing the fob to fail much earlier.
If the problem persists after you replace the battery, it may be a sign that something else is going on in your vehicle. repair car key fob of your vehicle to determine if you have a reset procedure that can bring the fob back to the factory program. If this doesn't work, you'll need to go to a dealership or an independent shop that specializes in vehicle security systems and fob programming.
Fobs could also fail because of faulty transmitter receivers. They are typically located on the dashboard or near the steering wheel, and they transmit signals that allow you to open and start your car with the fob. You may need to get closer to your car to get it to work.
A professional might have to open the fob's case to replace the transmitter. A simple screwdriver can usually accomplish the task however, some fobs have complex release mechanisms that require a special tool or equipment that is available only through a dealer. It's a good idea to have a certified mechanic do this job so that you don't break the fob or injure yourself.
Reprogramming the Key
A key fob that's not working could just require an upgrade in battery. These batteries are easily found in home improvement and pharmacy stores and are affordable. This is a good method to start before you purchase an entirely new key fob.
Alternately, you might be able to program the fob yourself by following a few basic steps. This process can vary between automobiles, so read the owner's manual and research the model you have. A key fob may require that the ignition switch be switched on when reprogramming. A key fob might require the key to be inserted several times.
The procedure is simple. Make sure the battery is securely in place. Close all doors except the driver's door. This will ensure that the new key fob can communicate with the vehicle in a proper manner. Then, place the old key back in the ignition and turn it to the ON position, but don't start the engine. Press the lock button while aiming the fob towards the receiver for transmission. It is usually located on the front, above the mirror. In a short period of time, the key will indicate to the vehicle that it's being programmed by triggering the doors locks or emitting an emitted sound. This is a difficult process, so pay attention to timing and don't over-press the button.
If the key fob doesn't function after reprogramming, you can try replacing the batteries. If the problem persists you might want to check with your local locksmith or dealer. A professional locksmith will have the tools and programming equipment needed to reprogram your car's fob, or create an entirely new key if needed.
Genesky says he can usually program newer fobs for around $200-$250, depending on the model of vehicle. But he's had to turn down customers who have European models due to the fact that he doesn't have the expensive equipment required. Most aftermarket fobs can be programmed, but you should always consult your local dealer to find out the cost.
Finding a New Fob
If your key fob is simply beyond repair, you may require a new one. Based on the make and model, an auto locksmith or dealership might be able to assist. The dealership is likely to be the most expensive option for a replacement fob but it also has the tools and software necessary to program your car correctly. Many independent locksmiths offer a brand new car key fob for the lower cost.
Before you decide to purchase an entirely new device it's recommended to consider resetting your current one. The owner's manual will outline the proper procedure for reset which is typically the pushing of a button that restores it to factory programming.
It is also a good idea to read your owner's manual and warranty information before you decide where to go for the replacement of your key fob. If your car's warranty is in good standing or you have an auto club or insurance policy that covers bumper to bumper, you may qualify for a reimbursement on the cost of a replacement fob.
Finding a fob is simple enough, but finding the right place to have it done can be a challenge. You may want to go to the dealer to get this service if you have a newer vehicle and are looking to feel secure knowing that your keyfobs are working properly. If you're looking for an affordable alternative, it is often possible to find a locksmith independent who can offer the same services for a significantly lower price.
If you're not confident handling this type of work on your own A professional locksmith could be a good option. They are trained and equipped to reprogram or replace all kinds of car key fobs, and they can often accomplish the task in a short time. In addition, a locksmith can often come to your workplace or home to complete the task which can be extremely convenient for some people. They can cut and program keys on site if you've lost keys. This is ideal for those who do not want to leave their vehicle unattended.