Car Key Fob Repairs
Key fobs of today can do more than unlock and start vehicles. However, the added complexity could result in costly repairs when one of them fails.
The positive side is that many fobs are equipped with flat-watch-style batteries that are simple to replace at home. You may even find that a reset will bring it back to life.
Battery Replacement
The most frequent reason that a key fob doesn't work is due to an inoperative battery. It's simple to fix and worth trying before you spend money on a replacement fob. Simply take your car to an auto parts store or a hardware retailer that sells button cells and choose a replacement. 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 replace and open the battery in your fob.
The majority of fobs have two halves that snap togetherYou'll need to break the sides in order to access the battery. You'll need a small flat-bladed screwdriver or an other tool with a blade that is thin. It might help to look for a notch along the lower edge of the fob that you can place your tool between. You might also want to look for small pieces that may come loose while you work.
When you have your new battery, place it the same way that you removed the previous one. The positive (+) side should be facing the buttons and the reverse (-) the markings on the compartment for the battery.
Check the fob to determine whether it functions by pressing the button. If it doesn't work, 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 brittle and easily corrosion-prone. In these situations the best solution is to talk to a expert or a dealer. If you're looking to replace the battery, make sure to be very gentle and adhere to the specific instructions in your owner's manual. You might be able find a similar battery at a discounter store or a big-box retailer however, you'll need to consult your owner's manual to ensure that it matches your car.
Replacing the Internal Key
The majority of key fobs have an actual mechanical key that is hidden within the fob to keep it from being stolen. When the battery in the fob goes out, a blank key is left behind and can be used to unlock doors and trunks. In some instances the key could even start certain cars. Most people don't know this however, they can save having to go to the dealership by simply replacing the fob's battery. Most modern fobs use flat watches-style batteries that are readily available in hardware stores and auto parts shops. Using the correct type of battery is essential 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 after you replace the battery, it may be a sign that something else is going on in 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 factory programming. If this doesn't help you'll have to visit a dealer or an independent shop that specializes in vehicle-security systems and fob programming.
Fobs could also fail due to malfunctioning transmitter receivers. These are usually built into the dashboard or next to the steering wheel, and they transmit signals that allow you to unlock and start your car with the fob. You may have to move closer to your car to make it work.
It might be required for a professional to open the case of the fob to replace the transmitter. A simple screwdriver is enough to get the job done however, some fobs have complex release mechanisms that require a specialized tool or specialized equipment that is available only at a dealership. This job must be handled by a qualified mechanic to avoid damaging the fob as well as yourself.
Reprogramming the Key
A key fob that is not working may simply need a new battery. Since these batteries are inexpensive and readily available at pharmacies and home improvement stores, it's the ideal first step before buying an entirely new car key fob.
You can also reprogram your key fob on your own if you follow some basic steps. The procedure may differ for different vehicles, so it is recommended to read the owner's manual and research the model you have. For instance the key fob might require the ignition to be switched on while reprogramming the key. A key fob might require the key to be inserted multiple times.
The basic procedure is simple. Make sure the battery is securely in place. Then, get in the driver's seat and close all doors, excluding the driver's side door. This will ensure the new key is communicating with the vehicle in a correct manner. Then, place the old key back in the ignition and turn it on to the ON position, but do not start the engine. Then, press the lock button on the fob, while looking at the transmission receiver, which is usually located on the front of the car above the mirror. The key will notify the vehicle within a brief amount of time that it's being programmed. This can be accomplished by turning the door locks or emitting an audible chime. This procedure can be difficult and it's crucial to be attentive to the timing and don't over-press the key button.
If the key fob still doesn't work, try reprogramming it again using new batteries. If the problem persists, a visit to your car dealer or a locksmith is a good idea. A professional locksmith will have the tools and programming equipment necessary to re-program your car's fob or make a new key if it's required.
Genesky says that he can program newer fobs between $200 and $250, depending on the vehicle. However, he's had the need to refuse customers with European models due to the fact that he doesn't have the expensive equipment they require. Fortunately, many aftermarket fobs are programmable, but it's always recommended to consult the dealer of your choice first to determine the price.
Finding a New Fob
If your key fob cannot be repaired, you may require another one. Based on the make and model, a 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 all of the necessary tools and software to program your vehicle correctly. Numerous locksmiths who are independent provide a new car key fob at an affordable price.
It is a good thing to attempt to reset the fob you have before you rush out to buy a new one. The owner's manual should explain the correct procedure for reset that is typically pushing a few buttons that reset the original programming.
It is an excellent idea to read your owner's manual and warranty information before deciding the best place to get an replacement fob for your key. If your car's warranty still in effect or you have an auto club or car insurance policy that covers bumper to bumper, you may qualify for a reimbursement on the cost of replacing the fob.
Finding the right where to purchase a fob can be difficult. It is possible to go to the dealer for this service if you have a newer vehicle and are looking to feel secure knowing that your key fobs are functioning properly. If you're looking for a more affordable alternative, it's possible to find a locksmith who can provide the same service for less cost.
If you're not comfortable doing this kind of work yourself A professional locksmith could be a great option. They are skilled and equipped to reprogram or replace most types of car key fobs, and they can often do it quickly. A locksmith can also come to your office or home which is convenient for many people. They can even cut and program keys on the spot in case you've lost keys, which is ideal for those who prefer not to leave their vehicles unattended.