Car Key Fob Repairs
Key fobs today do much more than unlock and start vehicles. However, the added complexity could add up to costly repairs if one of them breaks.
It's good to know that a majority of fobs are powered by flat watch-style batteries, that can be replaced at home. You may even find that a reset can get yours working again.
Battery Replacement
A dead battery is the main reason for a key fob that isn't working. It's a simple solve and is worth a try before you purchase the replacement fob. You can pick up a new button cell battery at a local auto part retailer or hardware store in the event that you already have one. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to replace and open the battery inside your fob.
Most fobs come with two halves that snap together -you'll have to gently pull the sides apart to get to the battery. You'll typically need a small screwdriver or a different tool with a thin, flat blade. It's a good idea to look for a groove along the bottom of the fob which you can use to wedge your tool between. It is also advisable to keep an eye out for small pieces that may come loose while you work.
Insert the new battery the same way as you removed the old one. The positive (+) side should face the buttons and the negative (-) the marks on the compartment for the battery.
Test the fob to see whether it functions by pressing a button. If it isn't working, there might be a problem with your car that needs to be repaired or replaced by a specialist.
Certain key fobs are difficult to open, and the contacts may be fragile and easily damaged. In these cases you should consult a specialist in your car or dealer may be the best option. If you're in need of replacing batteries, you should be gentle and follow the instructions specifically in the owner's manual. You might be able to locate a comparable battery at a discounter store or a big-box retailer, but you'll need to check the owner's manual to be sure that it matches your car.
Replacing the Internal Key
Most key fobs include an actual mechanical key that is hidden within the fob to keep it from being stolen. When the fob battery dies it will leave behind a blank internal key which can open trunks and doors (and in some cases, even start certain cars). Most people do not realize that they can avoid a trip to a dealership by replacing the fob's batteries. The flat watch-style battery is found in the majority of modern fobs. These batteries are easily located at hardware and auto parts stores. Using the correct type of battery is crucial however. A bad battery can cause damage to the circuitry and lead to the fob's failure much sooner.
If the problem continues to persist even after you have replaced the battery, it may be a sign that something else is wrong in your vehicle. Go through the owner's manual to see if there's a reset procedure that can bring the fob back to factory-setup. If this fails, you'll need to visit a dealership or a shop independent that specializes in vehicle-security systems and key fob programming.
Fobs can also malfunction due to malfunctioning transmitter receivers. They are typically placed on the dashboard or near the steering wheel, and they transmit signals that allow you to unlock and start your car with the fob. If you're required to move closer and closer to your vehicle in order to make it work, there's a high chance that the transmitter isn't working.
It may be required for a professional to remove the case of the fob to replace the transmitter. key repair for car can usually suffice, but some fobs require a specialized tool or special equipment which can only be found at a dealership. This task should be performed by a qualified mechanic to avoid damaging the fob as well as yourself.
Reprogramming the Key
A key fob that is not functioning just requires a new battery. Because they are cheap and easily available at pharmacies and home improvement stores, this is the ideal first step before investing in an entirely new car key fob.
You can also reprogram your key fob on your own If you follow the steps below. This process varies between vehicle brands, so it's essential to consult your owner's manual as well as research the specifics of your particular model. A key fob may require the ignition to be turned on while changing the program. One key fob could require the key to be inserted multiple times.
The basic 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 communicates with the vehicle correctly. After that, put the old key back into the ignition and switch it to the ON position, but don't start the engine. Press the lock button while aiming the fob at the receiver for transmission. This is usually located on the left side, just above the mirror. In a short period of time, the key will indicate to the vehicle that it's been programmed by triggering the doors' locks or emitting the sound of a chime. This procedure can be difficult and it's crucial to be aware of the timing and not to over-press the key button.
If the key fob doesn't work Try reprogramming it with fresh batteries. If the issue persists, you might want to visit your local dealer or locksmith. A professional locksmith will have the tools and programming equipment to reprogram your car's fob, or create an entirely new key if required.
Genesky says he can usually program newer fobs for around $200 to $250, based on the model of vehicle. He's been denied European models turned away because they don't have the equipment required. Luckily, the majority of aftermarket fobs can be programmed, but it's always recommended to consult an auto dealer first to see the price.
Finding a New Fob
If your key fob is simply beyond repair, you may need to purchase an alternative. Depending on the brand and model, the dealer or an auto locksmith might be able to assist. The dealership is likely to be the most expensive option for a fob replacement however, they'll have the necessary tools and software to program your vehicle correctly. Many independent locksmiths offer a new car key fob at an affordable price.
It's a good idea to try to reset your current fob before you decide to buy an entirely new one. The owner's guide should explain the correct reset procedure. This is usually an orderly press that reset the factory program.
You should also look over the owner's guide and warranty information to determine whether you can obtain an additional key fob. If your car is still under warranty or you have a car insurance policy or auto club membership that includes bumper-to-bumper insurance, you might be eligible to receive a reimbursement for the cost of the new fob.
Finding the best location to purchase a fob can be difficult. You may want to go to the dealer for this service if are driving a brand new car and you want to be confident that your key fobs work properly. If you're looking for an option that is more affordable, it is often possible to find an independent locksmith who can provide the same services for a significantly lower price.
A locksmith who is professional is a great choice if you're not comfortable doing this type of work. They're trained and equipped to repair or replace key fobs for cars of all types, and can do so quickly. A locksmith is also able to visit your office or home, which is convenient for many people. They can even cut and program keys on the spot when you've lost keys, which is great for those who do not want to leave their vehicles unattended.