Car Key Fob Repairs
Key fobs today can do much more than simply unlock and start vehicles. This extra complexity can lead to expensive repair bills if it breaks.
The positive side is that many fobs have flat-watch-style batteries that are easy to replace at home. And you may find that a reset will get yours working again.
Battery Replacement
A dead battery is the most common reason for the fob's key not working. This is a simple repair, and is worth a try before you go spending money on a new fob. Simply take your car to an hardware or auto parts retailer that stocks button cells and choose a replacement. You can also consult the owner's manual (or in the event that you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions on opening and replacing the battery in the specific type of fob you have.
You'll need to gently pry apart the sides of most fobs in order to access the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a small blade. It may be helpful to look for a notch on the lower edge of the fob that you can wedge your tool between. You may also want to watch for tiny pieces that may come loose as you work.
Insert the new battery in the same manner as you removed the previous one. The positive (+) side should be facing the buttons and the reverse (-) the marks on the battery compartment.
Press a button to test the fob. If it doesn't work, there could be a problem in your vehicle that requires to be repaired or replaced by a professional.
Certain key fobs are difficult to open and their contacts could be fragile and easily corrosion-prone. In these cases, the best option is to talk to a expert or dealer. When replacing a battery, be patient and follow your owner's manual. You might be able to find a similar battery at a discounter or big-box retailer, but you'll need to check the owner's manual to be sure that it matches your car.
Replace the internal key
To guard against theft, many key fobs come with an electronic key inside. When the battery in a fob dies and the key is discarded, a blank one is left behind, which can be used to unlock doors and trunks. In certain cases it is possible to start certain vehicles. Most people aren't aware of this, but they can save themselves a trip to the dealership by simply replacing the fob battery. Most modern fobs use flat watches-style batteries that can be found at hardware stores and auto parts shops. It is essential to choose the correct type of battery. A wrong battery can harm the circuitry and lead to the fob to fail much earlier.
If you try replacing the battery and discover that the issue is still there it could be a sign something else is happening in your vehicle. If you have an owner's manual, check to see if there is a reset option available to restore the fob's factory programming. If this doesn't help, you'll need to visit a dealer or an independent shop that specializes in vehicle security systems and fob programming.
Fobs may also fail due to faulty transmitter receivers. They are typically located close to the steering wheel or on the dashboard. They transmit signals that enable you to unlock your car and begin it using the fob. If you're required to move closer and closer to your car to be able to make it work, there's a high chance the transmitter is failing.
A professional may need to open the case to replace the transmitter. A simple screwdriver is enough to do the job, but some fobs have complex release mechanisms that require a special tool or equipment that is available only at a dealer. This task must be handled by a qualified mechanic to avoid damaging the fob and yourself.
Reprogramming the Key
A key fob that is not working could just require an upgrade in battery. Since these batteries are inexpensive and readily available at pharmacies and home improvement stores, this is a good first step before purchasing the purchase of a new car key fob.
You may also be able to program the fob yourself by following some basic steps. The process is different for different vehicles manufacturers, so it is important to read the owner's manual and study the specifics of the model you own. For example the key fob might require that the ignition be turned on while reprogramming it. Another may require the key to be inserted and removed multiple times.
The general procedure is very simple. Make sure the battery is securely in place. Then, get in the driver's seat and shut all doors EXCEPT for the driver's side door. This will ensure that the new key fob communicates with the vehicle in a proper manner. Then, place the old key back in the ignition and turn it to the ON position, but don't start the engine. Next press the lock button on the fob, while looking at the transmission receiver, which is usually situated on the front of the vehicle above the mirror. car key repair service will signal to the vehicle within a brief amount of time that it's being programmed. This can be accomplished by cycling the door locks or emitting an audible chime. This process can be tricky 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 replacing the batteries. If the problem persists you should visit your dealer for your car or a locksmith should be considered. A professional locksmith will have the tools and equipment needed to reprogram your car's fob or create a new one if needed.
Genesky claims he is able to program newer fobs that range between $200 and $250, based on the model of vehicle. He's been denied European models rejected due to the fact that there isn't the equipment required. Most aftermarket fobs can be programmed, but always consult your local dealer to determine the cost.
Getting a New Fob
If your key fob can't be repaired, you might need to buy a new one. Depending on the make and model, the dealership or an auto locksmith may be able to help. The dealership is likely to be the most expensive option for a fob replacement however, they'll have all the required tools and software to program your car correctly. Numerous locksmiths who are independent offer a brand new car key fob at an affordable price.
It's a good idea to try to reset the fob you have before you decide to buy a new one. The owner's guide should explain the correct reset procedure. It is typically an orderly press that reset the factory program.
It's an excellent idea to check your owner's manual and warranty information prior to deciding where to go for a key fob replacement. If your vehicle is under warranty or you have a car-insurance policy or auto club membership that provides bumper-to-bumper insurance, you might be eligible for reimbursement for the cost of the new fob.
The process of getting a fob can be simple enough however finding the best place to have it done can be tricky. If you own a new vehicle and you want the peace of mind that comes from knowing that your key fobs are in working condition, you might be better off going to the dealership to get this service. However, if you're looking for an affordable alternative, it is often possible to find an independent locksmith who can provide the same service for a significantly lower price.
If you're not comfortable doing this type of work yourself, a professional locksmith may be a good option. They are certified and equipped to reprogram or replace the majority of car key fobs, and often, they can do it quickly. A locksmith is also able to visit your office or home which is a great option for many people. They can cut and program keys on site if you've lost keys. This is ideal for those who do not like to leave their car without a key.