Car Key Fob Repairs
Key fobs today do a lot more than just unlock and start vehicles. This extra complexity can lead to expensive repair bills when it fails.
It's good to know that a majority of fobs are powered by flat watch-style batteries, that can be replaced at home. It is possible that a reset can make your device work again.
Battery Replacement
The most frequent reason a key fob stops working is because of an inoperative battery. It's simple to solve and is worth a try before you invest in the replacement fob. Take your car to an auto parts store or hardware retailer that sells button cell batteries and purchase the replacement. You can also consult your 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 for opening and replacing the battery in the particular type of fob.
You'll need to gently pull apart the sides of most fobs to reach the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a blade that is thin. It may be helpful to look for a groove along the bottom of the fob which you can use to put your tool in between. You may also want to keep an eye out for tiny pieces that might break loose while working.
Once 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 battery compartment.
Press a button to test the fob. If it doesn't work, you might have an issue with your vehicle that requires a professional to fix or replace.
Certain key fobs can be difficult to open, and the contacts may be brittle and easily damaged. In these instances the best choice is to talk to a expert or a dealer. When replacing a battery, be gentle and follow your owner's instructions. You may be able to locate an identical battery at a big-box retailer or discounter, however, make sure to check the owner's manual to ensure it's compatible with your vehicle.
Replacing the Internal Key
The majority of key fobs have a physical mechanical key that is hidden within the fob to keep it from being stolen. If the battery inside the fob fails and the key is discarded, a blank one is left behind and can be used to unlock trunks and doors. In certain cases, this key can even start certain cars. Many people don't realize this however they could save from a trip to the dealer by simply replacing the fob battery. The majority of modern fobs utilize flat-watch-style batteries which are readily available in auto parts stores and hardware shops. It is important to use the correct type of battery. The wrong type can damage the circuitry and cause the fob to fail much earlier.
If you change the battery, and the issue is still there it could be an indication that something else is wrong with your car. If you have an owner's guide, check to see if you can use a reset procedure to restore the fob's factory programming. If this doesn't work you'll have to go to a dealership 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 located near the steering wheel or in the dashboard. They transmit signals that enable you to unlock your car and start it with the fob. If you're having to get closer and closer to your vehicle to be able to make it work, there's a great chance the transmitter is failing.
A professional may need to open the case of the fob to replace the transmitter. A simple screwdriver can usually do the job however some fobs come with complex release mechanisms that require a specialized tool or specialized equipment that is available only through a dealer. This job should be performed by a qualified mechanic to ensure that the fob is not damaged and yourself.
Reprogramming the Key
A key fob that's not working might just need an upgrade in battery. Because these batteries are cheap and readily available at pharmacies and home improvement stores, this is the ideal first step before purchasing a new car key fob.
Alternately, you might be able to reprogram the fob yourself by following a few basic steps. This procedure can differ between vehicles, so it is recommended to refer to the owner's manual and research your specific model. One key fob might require that the ignition switch be on when changing the program. One key fob may require the key to be inserted multiple times.
The process is straightforward. Make sure key fob repairs is securely in place. Then, sit in the driver's seat and close all doors EXCEPT for the driver's side door. This will ensure the new key is communicating with the vehicle properly. Insert the old key into the ignition and turn it on, but don't start the engine. Press the lock button while aiming the fob toward the receiver of the transmission. This is typically located on the left side, just above the mirror. The key will inform the vehicle within a short period of time that it's being programmed. This can be done by cycling the door locks, or emitting an audible chime. This can be a tricky process, so pay close attention to the timing and avoid pressing too hard the button.
If the key fob doesn't work Try reprogramming it with new batteries. If the issue isn't resolved then a visit to your dealer for your car or locksmiths should be considered. A professional will have the tools and equipment needed to reprogram your car's fob or clone an entirely new key if required.
Genesky says he can usually program newer fobs at around $200-$250, depending on the model of vehicle. However, he's had to turn away customers with European models because he doesn't have the expensive equipment they require. A majority of the aftermarket fobs are programmed, but you should always inquire with your local car dealer to determine the price.
How do I get a brand new fob
If your key fob is beyond repair, you might need to get a new one. Based on the model and make, an auto locksmith or a dealership may be able to help. The dealership is likely to be the most expensive choice to replace your fob, but it will also have the tools and software required to program your car properly. For a more affordable option, a number of independent locksmiths will be able to provide you with an entirely new car key fob for a more affordable cost.
Before you decide to purchase a new key fob, it is recommended to consider resetting your current one. The owner's manual should provide the correct reset procedure. This is usually an orderly press that reset the factory program.
It's also a good idea to review your owner's manual and warranty information prior to deciding where to go for an replacement fob for your key. If your car is still under warranty or you have a car-insurance policy or auto club membership that provides bumper-to-bumper protection, you may be able to receive some reimbursement for the cost of a new fob.
Finding a fob is simple enough however, finding the right location to do it isn't easy. If you have a relatively new car and would like the security with knowing that your keys fobs are in working condition, you might prefer going to the dealership to get this service. If you're looking for a more affordable alternative, it's possible to find a locksmith who will offer the same service at a lower price.
A locksmith professional is a good option for those who aren't comfortable with this type of work. They are trained and equipped to repair or replace keys for cars of all kinds and do it quickly. Additionally, locksmiths is often able to come to your office or home to do the job, which can be very practical for some. They can even cut and program keys on the spot in case you've lost keys, which is ideal for those who don't like to leave their cars unattended.