Car Key Fob Repairs
Key fobs today do much more than just unlock and start vehicles. However, that added complexity can result in expensive repair costs if one of them breaks.
It's important to know that most fobs are powered by flat-watch-style batteries that can be replaced at home. You might find that a simple reset will bring your fob back to life.
Battery Replacement
The most common reason that a key fob doesn't work is due to the battery being dead. It's simple to fix and worth trying before you invest in a replacement fob. You can buy the new button cell at a local auto part retailer or hardware store if you have one. You can also refer to your owner's guide (or YouTube for videos explaining how to replace the battery) for specific instructions on how to open and replace the battery in your fob.
You'll have to gently pull away the sides of the majority of fobs to reach the battery. You'll need a small flat-bladed screwdriver or another tool with a thin blade. It may be helpful to look for a groove along the bottom of the fob that you can put your tool in between. remote key fob repair might also want to watch out for tiny pieces that could break loose while working.
When you have your new battery, place it in the same way that you removed the old one. The positive (+) side should be facing the buttons and the reverse (-) the markings on the compartment for the battery.
You can push a button to test the fob. If it doesn't work, you may have an issue with your car that requires a professional to repair or replace.
Some key fobs are difficult to open, and the contacts may be brittle and easily corrosion-prone. In these cases the best solution is to consult a car specialist or a dealer. When replacing a battery, be gentle and follow your owner's manual. You may be able find an identical battery at a big-box retailer or discounter, however, make sure to check your owner's guide to ensure it is compatible with your vehicle.

Replace the internal key
Most key fobs include an actual mechanical key however, it's hidden within the fob to prevent thieves. When the battery in the fob dies it leaves an internal key blank that can unlock trunks and doors (and in some cases start certain cars). Most people aren't aware of this however they could avoid having to go to the dealership by simply replacing the fob's battery. Most modern fobs use flat-watch-style batteries which are easy to find at hardware stores and auto parts shops. Choosing the right type of battery is crucial, however. The wrong kind can damage the electronic circuitry, which can cause the fob to fail much sooner.
If you change the battery and find the problem persists, it could be an indication that something else is wrong with your car. Check your owner's manual to see if there's a reset procedure that can bring the fob back to factory programming. If remote key fob repair fails, you'll need go to a dealer or independent shop that specializes vehicle-security systems and key fob programming.
Fobs may also fail because of faulty transmitter receivers. These are usually located near the steering wheel or on the dashboard. They transmit signals that enable you to unlock your car and start it with the fob. If you're required to move closer and closer to your car to get it to work, there's a great chance the transmitter is failing.
A professional might have to open the case to replace the transmitter. A simple screwdriver can usually suffice, but some fobs require a specialized tool or special equipment that can only be found at a dealership. This task should be performed by a qualified mechanic to avoid damaging the fob and yourself.
Reprogramming the Key
A key fob that is not functioning simply requires a new battery. Since these batteries are inexpensive and readily available in pharmacies and home improvement stores, this is an excellent first step prior to purchasing a new car key fob.
You can also re-program your key fob by yourself If you follow a few basic steps. The procedure varies for different vehicle brands, so it's essential to consult your owner's manual and research the specifics of your model. One key fob could require the ignition to be switched on when reprogramming. One key fob may require the key to be inserted multiple times.
The general procedure is very simple. First, ensure that the new battery is securely in place. Close all doors, with the exception of the driver's door. This will ensure that the new key fob is communicating with the vehicle correctly. Then, put the old key back in the ignition and turn it to the ON position, but do not start the engine. Next, press the lock button on the fob, while making sure to point it towards the transmission receiver, which is typically situated on the front of the car above the mirror. Within a brief time the key will announce to the vehicle that it's being programmed by turning off the doors' locks or emitting an emitted sound. This can be a tricky process, so pay attention to timing and don't over-press the button.
If the key fob won't work after reprogramming, try using new batteries. If the issue is still there, you may want to visit your local locksmith or dealer. A professional will have the tools and equipment to reprogram your car's fob or clone a new key if it's needed.
Genesky says he can usually program newer fobs for around $200-$250, depending on the vehicle. But he's had to turn away customers with European models due to the fact that they don't have the costly equipment they require. The majority of aftermarket fobs can be programmed, but you should always check with your local car dealer to find out the price.
How do I get a brand new fob
If your key fob is beyond repair, you may need to purchase an alternative. Based on the make and model, a dealership or an auto locksmith may 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 required to program your car correctly. Many independent locksmiths offer a new car key fob for an affordable price.
Before you rush to get an entirely new device, it is an excellent idea to try resetting your current device. Your owner's manual should outline the proper procedure for reset, which is usually just pushing a few buttons that reset the factory settings.
You should also look over the owner's guide and warranty information to see whether you can obtain an additional key fob. If your car is under warranty or you have a car-insurance policy or auto club membership with bumper-to-bumper protection, you may be eligible to receive a reimbursement for the cost of a new fob.
Finding the best place to get a fob can be difficult. If you have a relatively new vehicle and you want the peace of mind that comes with knowing that your key fobs are in good order, you may be better off going to the dealership for this service. However, if you want an affordable alternative, it is often possible to find an independent locksmith who can offer the same services for a lower cost.
If you're not comfortable doing this kind of work yourself A professional locksmith could be a great choice. They are certified and equipped to reprogram or replace all kinds of car key fobs and they can often do it quickly. Locksmiths can also visit your house or office which is a great option for many people. They can cut and program keys on site if you've lost them. This is perfect for those who do not want to leave their vehicle without a key.