5 Myths About Car Key Fob Repair That You Should Avoid
Car Key Fob Repairs
Today's key fobs are more than just a way to unlock and start cars. This extra complexity can lead to expensive repair bills when it fails.
The good news is that most fobs are equipped with flat-watch-style batteries that are simple to replace at home. You may even find that a reset can make your device work again.
Battery Replacement
A dead battery is the most common reason for a key fob not working. This is easy to repair, and is worth trying before you go spending money on a new fob. You can pick up a new button cell battery at a local auto part retailer or hardware store if you have one. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) for specific instructions on how to open and replace the battery in your fob.
Most fobs have two halves that snap together -you'll have to gently pry the sides apart to access the battery. You'll usually need a small screwdriver or another tool that has a flat, thin blade. It's a good idea to look for a notch along the lower edge of the fob that you can use to put your tool in between. You may also want to look for small pieces that could fall off while working.
Once you have your new battery, you can insert it the same way that you removed the old one. The positive (+) side should face the buttons, while the opposite side is facing (-) the marks on the compartment for the battery.
Check the fob to determine whether it is working by pressing a button. If it doesn't, you may have an issue with your vehicle that requires a professional to fix or replace.
Some key fobs are difficult to open and the contacts could be fragile and easily corroded. In these instances, the best option is to consult a car expert or dealer. If you're looking to replace a battery, try to be very gentle and follow the specific instructions in your owner's manual. You might be able to find a similar battery at a discounter or a big-box retailer, but you'll need to check the owner's manual to make sure that it matches your car.
Replacing the Internal Key
Most key fobs contain an actual mechanical key however, it's hidden within the fob to keep it from being stolen. When the fob battery dies it leaves an internal key that is blank that can unlock trunks and doors (and in some cases start certain cars). The majority of people do not realize that they can avoid a trip to a dealership by recharging the fob batteries. Most modern fobs have flat watch-style batteries that can be found at hardware stores and auto parts shops. Using the correct type of battery is important, however. The wrong kind can damage the electronic circuitry, causing the fob to fail earlier.
If you replace the battery and find the issue is still there, it could be an indication that something else is going on with your car. 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 factory programming. If this doesn't help, you'll need to visit a dealership or an independent shop that specializes in vehicle security systems and fob programming.
Fobs can also malfunction due to faulty transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and they send signals that allow you to open and start your car using the fob. You may need to get closer to the car in order to get it to work.
A professional may need to open the fob's case to replace the transmitter. A simple screwdriver will usually get the job done however, some fobs have complicated release mechanisms that require a specific tool or specialized equipment available only through a dealer. It's best to have a certified mechanic do this job so that you don't damage the fob or hurt yourself.
Reprogramming the Key
A key fob that is not working might just need a new battery. Because they are cheap and readily available at pharmacies and home improvement stores, this is an excellent first step prior to buying the purchase of a new car key fob.
Alternatively, you may be able to reprogram the fob yourself by following the steps. The procedure may differ for different automobiles, so refer to the owner's manual and study the specific model of your vehicle. For instance, one key fob may require the ignition to be on while reprogramming it. A key fob might require the key to be inserted several times.
The general procedure is very easy. First, make sure that the new battery is firmly in place. Close all doors, except the driver's door. This will ensure the new key is communicating with the vehicle in a correct manner. Then, put the old key back into the ignition and turn it to the ON position, but do not start the engine. Then, press the lock button on the fob while aiming it 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 short period of time that it is being programmed. This can be accomplished by cycling the door locks, or emitting an audible chime. This can be a difficult process so it's essential to be attentive to the timing and not to over-press the key button.
If the key fob still doesn't work, try reprogramming it again using new batteries. If the problem persists you should visit your car dealer or locksmiths should be considered. key fob repairs will have all the tools and equipment required to reprogram the car fob or design a new one if needed.
Genesky says that he can program newer fobs ranging from $200 and $250, based on the model of vehicle. However, he's had to refuse customers with European models because he doesn't have the expensive equipment required. The majority of aftermarket fobs can be programmed, but you should always inquire with your local car dealer to find out the price.
How to get a new fob
If your key fob is simply beyond repair, you may need to purchase an entirely new one. Depending on the model and make, an auto locksmith or dealership might be able to assist. The dealership is likely to be the most expensive alternative for replacing a fob However, they'll have all the required tools and software needed to program your car correctly. For a more affordable solution, a variety of locksmiths can offer you a brand-new car key fob at a lower price.
Before you purchase an entirely new device it's recommended to consider resetting your current one. The owner's manual should outline the correct procedure for reset. This is usually an orderly press that reset the factory program.
It is also a good idea to review your owner's manual as well as warranty information prior to deciding where to go for an replacement fob for your key. If your car is under warranty, or you have a car insurance policy or auto club membership that provides bumper-to-bumper protection, you may be eligible to receive a reimbursement for the cost of an entirely new fob.
Finding the right location to purchase the fob you need can be difficult. If you own a new car and want the peace of mind that comes from knowing that your key fobs are in good working condition, you might be better off 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 provide the same service for a lower cost.
A locksmith professional is a good option for those who aren't comfortable with this type of work. They are equipped and trained to replace or reprogram keys for cars of all types, and can do so quickly. Additionally, locksmiths can often come to your workplace or home to do the job, which can be very convenient for some people. They can even cut and program keys on-site when you've lost keys, which is ideal for those who don't like to leave their vehicles unattended.