Car Key Fob Repairs
Today's key fobs can do more than unlock and start cars. This extra complexity can lead to expensive repair bills if it breaks.
It's important to know that most fobs are powered by flat-watch-style batteries which can be easily replaced at home. And you may find that a reset can make your device work again.
Battery Replacement
A dead battery is the most frequent cause of a key fob that isn't working. It's a simple fix, and it's worth a try before you go spending money on a new key fob. Simply drive your car to an hardware or auto parts retailer that sells button cell batteries and purchase the replacement. You can also check your owner's manual (or, if you don't have one, YouTube is full of videos of people who explain how to do it) for specific instructions for opening and replacing the battery on your particular type of fob.
Most fobs come with two halves that snap togetherYou'll need to pull the sides apart to access the battery. You'll need a small flat-bladed screwdriver or another tool with a thin blade. You can insert your tool into a slot on the bottom of the key fob. It is also advisable to keep an eye out for small pieces that could be loosened while working.
Once you have the new battery, you can insert it the same way that you removed the old one. Make sure the positive (+) side is facing up towards the buttons and that the negative (-) side of the battery is aligned correctly with the markings in the battery compartment of your fob.
You can push a button to test the fob. If it isn't working, there might be a problem with your vehicle that requires to be repaired or replaced by a specialist.
Certain key fobs require specific tools to open, and the contacts inside can be fragile and susceptible to corroding. In these cases an expert in the field or a dealer could be your best option. If you're looking to replace batteries, you should be very gentle and follow the instructions specifically in your owner's manual. You may be able find an identical battery at a big-box retailer or discounter, however, make sure you read the owner's manual to ensure it's compatible with your vehicle.
Replacing the Internal Key
To guard against theft, many key fobs have a mechanical key hidden inside. If the battery of the fob fails, it leaves behind a blank internal key which can open trunks and doors (and in some cases, start certain vehicles). Many people don't realize this, but they can save a trip to the dealership by simply replacing the fob battery. The flat watch-style batteries are used in most modern fobs. These batteries can be found at hardware and auto parts stores. 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 earlier.
If you try replacing the battery and discover that the issue persists it could be a sign that something else is going on with your vehicle. If you have an owner's manual and you're not sure, try to determine if there is a reset option available to restore the fob's original programming. If this isn't working, you'll need to visit a dealership or independent shop that specializes security systems for vehicles and key fob programming.
Fobs may also malfunction due to faulty transmitter receivers. They are typically located on the dashboard or near the steering wheel, and they transmit signals that allow you to unlock and start your car with the fob. It is possible that you will need to get closer to your car to make it work.
A professional might have to open the case to replace the transmitter. A simple screwdriver can usually get the job done however some fobs come with complex release mechanisms that require a special tool or specialized equipment available only at a dealership. This task should be done by a qualified mechanic to avoid damaging the fob and yourself.
Reprogramming the Key
A key fob that is not working may simply need an upgrade in battery. These batteries are easily found in both pharmacy and home improvement stores and are cheap. This is a great option to begin before purchasing the new key fob.
Alternatively, you may be able to program the fob yourself by following some basic steps. This procedure can differ between automobiles, so refer to the owner's manual and study the specific model of your vehicle. For example one key fob could require the ignition to be turned on while reprogramming it. Another key might require the key to be inserted and removed repeatedly.
The process is straightforward. First, ensure that the new battery is securely in place. Then, sit in the driver's seat and close all doors, with the exception of the driver's side door. This will ensure that the new key fob communicates with the vehicle in a proper manner. Then, put the old key back in the ignition and turn it on to the ON position, but do not start the engine. Press the lock button while aiming the fob toward the receiver for transmission. This is usually located on the front, above the mirror. The key will inform the vehicle within a short period of time that it is being programmed. This can be done by cycling the door locks or by emitting an audible chime. This procedure can be difficult and it's crucial to pay attention to the timing and to not over-press the key button.
If the key fob won't work after reprogramming, try using a new battery. If link web site persists you might want to visit your local dealer or locksmith. A professional will have the tools and equipment to reprogram your car's fob or make an entirely new key if needed.
Genesky says that he can program newer fobs ranging from $200 and $250, depending on the vehicle. He's had European models rejected due to the fact that they don't have the equipment needed. A majority of the aftermarket fobs are programmed, but always check with your local dealer to find out the cost.
How to get a new fob
If your key fob is beyond repair, you might need to get a new one. Depending on your vehicle's 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 will also have the tools and software required to program your car correctly. Many independent locksmiths offer a new car key fob for an affordable price.
It's a good idea to try to reset your current fob before you make the decision to purchase an entirely new one. The owner's guide should explain the correct reset procedure. This is usually the result of a series of button presses which restores the factory settings.
It is also recommended to check the owner's guide and warranty information to determine whether you are eligible for an additional key fob. If your vehicle's warranty is still in effect or you have an auto club or car insurance policy that covers bumper-to-bumper, you may qualify to receive a reimbursement for the cost of a replacement fob.
Finding the right where to purchase a fob can be difficult. If you own a new car and would like the assurance with knowing that your keys fobs are in good working condition, you may prefer going to the dealership for this service. If you're looking for an affordable alternative, it is often possible to find a locksmith independent who can offer the same services at a much lower cost.
If you're not confident handling this kind of work yourself, a professional locksmith may be a great choice. They are equipped and trained to change or reprogram keys for cars of all kinds, and can do so quickly. A locksmith is also able to visit your office or home which is convenient for a lot of people. They can even cut and program keys on the spot if you have lost keys, which is ideal for those who prefer not to leave their vehicles unattended.