Car Key Fob Repairs
Key fobs today do much more than simply unlock and start vehicles. This added complexity can cause costly repair costs in the event that it malfunctions.
The positive side is that many fobs have flat-watch-style batteries that are easy to replace at home. You may find that a simple reset is enough to bring your fob back to life.
Battery Replacement
The most common reason the key fob ceases to function is due to the battery being dead. It's a simple repair, and is worth trying before you decide to spend money on a new key fob. You can purchase a new button cell battery at your local auto part retailer or hardware store If you own one. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to open and replace the battery inside your fob.
You'll need to gently pull away the sides of the majority of fobs to reach the battery. You'll typically need a small screwdriver or another tool with a thin, flat blade. It might help to look for a notch on the bottom of the fob which you can put your tool in between. You may also want to watch out for small pieces that might break loose as you work.
Insert the new battery the same manner as you removed the previous one. The positive (+) side should face the buttons, while the opposite side is facing (-) the marks on the compartment for the battery.
Test the fob to see whether it is working by pressing a button. If it doesn't, you might have an issue with your vehicle that requires a specialist to fix or replace.
Certain key fobs can be difficult to open and their contacts may be fragile and easily corrosion-prone. In these instances an expert in the field or a dealer could be the best choice. When replacing a battery, be patient and follow your owner's guide. You might be able to find an identical battery in a big-box store or discounter, but make sure to check the owner's manual to make sure it is compatible with your car.
Replacing the Internal Key
To guard against theft, many key fobs are equipped with an electronic key inside. If the battery of the fob fails it leaves an internal key that is blank that can unlock doors and trunks (and in some cases, even start certain cars). Most people do not realize that they can avoid 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 at hardware and auto parts stores. Choosing the right type of battery is crucial, however. A wrong type of battery can harm the electronic circuitry, which can cause the fob to fail much earlier.
If you replace the battery, and the problem persists it could be a sign something else is going on with your vehicle. If you have an owner's manual and you're not sure, try to determine if you can use a reset procedure to restore the fob's original programming. If this isn't working, you'll need to visit a dealership or an independent shop that specializes in security systems for vehicles and key fob programming.
Fobs may also fail because of faulty transmitter receivers. They are usually found near the steering wheel or in the dashboard. key car repair transmit signals to enable you to unlock your vehicle and start it using the fob. You may need to get closer to the car in order to enable it.
It might be necessary for a professional to remove the case of the fob in order to replace the transmitter. A simple screwdriver will usually suffice, but certain fobs require a special tool or special equipment that can only be purchased at a dealer. This task must be handled by a certified mechanic in order to avoid damaging the fob as well as yourself.
Reprogramming the Key
Most of the time, a key fob that isn't working just requires a new battery. Since these batteries are inexpensive and readily available in pharmacies and home improvement stores, it's the ideal first step before buying the purchase of a new car key fob.
Alternatively, you may be able to re-program the fob yourself by following the steps. The procedure varies for different vehicle manufacturers, so it is important to consult your owner's manual and study the specifics of your particular model. For example, one key fob may require the ignition to be turned on while reprogramming it. Another key might require the key to be removed and inserted several times.
The basic procedure is simple. Make sure that the battery is securely in place. Close all doors, except the driver's door. This will ensure the new key is communicating with the vehicle properly. Insert the old key into the ignition, turn it on but don't start the engine. Press the lock button while aiming the fob towards the transmission receiver. It is usually located on the front, above the mirror. Within a short time frame the key will announce to the vehicle that it's programmed by cycling the doors' locks or emitting the sound of a chime. This process can be tricky, so it's important to pay attention to the timing and to not over-press the key button.
If the key fob does not function after reprogramming, you can try replacing the batteries. If the problem persists then a visit to your dealer for your car or a locksmith should be considered. A professional locksmith will have the tools and equipment necessary to re-program your car's fob, or create a new key if it's required.
Genesky says he's able to program newer fobs for $200-$250, based on the car. He's been denied European models turned away because they don't have the equipment needed. The majority of aftermarket fobs can be programmed, but you should always inquire with your local dealer to find out the cost.
How do I get a brand new fob
If the key fob you have cannot be repaired, you might need to buy a new one. Depending on the make and model, the dealership or an auto locksmith might be able to help. The dealership is likely to be the most expensive option for a replacement fob, but they will also have the necessary tools and software to program your car correctly. Many independent locksmiths offer a new car key fob for an affordable price.
Before you rush to get a new key fob it's recommended to consider resetting your current device. Your owner's manual should outline the correct procedure for reset that is typically the pushing of a button that restores the original programming.
You should also look over the owner's guide and warranty information to see if you can get an additional key fob. If your vehicle's warranty is still active or you have an auto club or insurance policy that covers bumper-to-bumper you could be eligible for a reimbursement on the cost of a replacement fob.
The process of getting a fob can be simple enough however finding the best location to get it done can be tricky. If you have a relatively new car and want the peace of mind that comes with knowing that your key fobs are in working order, you may be better off visiting the dealership for this service. However, if you want a more affordable option, it is often possible to find a locksmith independent who can provide the same service at a much lower cost.
If you aren't comfortable handling this kind of work yourself, a professional locksmith can be a great choice. They are certified and equipped to replace or reprogram all kinds of car key fobs, and they can often do it quickly. A locksmith is also able to visit your house or office which is a great option for many people. They can cut and program keys on the spot in case you've lost them. This is ideal for those who don't want to leave their car without a key.