Car Key Fob Repairs

Key fobs today do a lot more than just unlock and start vehicles. But that extra complexity can cause expensive repair costs when one of them fails.

The good news is that the majority of fobs have flat-watch-style batteries that are easy to replace at home. And you may find that a reset will bring it back to life.

Battery Replacement

The most frequent reason why the key fob ceases to function is because of the battery being dead. It's easy to solve and is worth a try before you spend money on a replacement fob. Take your car to a local hardware or auto parts retailer that sells button cell batteries and pick up the replacement. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to replace and open the battery inside your fob.

You'll have to gently pull off the sides of many fobs to access the battery. It's usually a screwdriver or some other tool equipped with a thin, flat 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 may come loose while you work.

Install the new battery in the same manner as you removed the previous one. The positive (+) side should be facing the buttons and the negative (-), the markings on the battery compartment.

Check the fob to determine if it works by pushing a button. If it isn't working, there may be a problem with your car that needs to be fixed or replaced by a specialist.

Certain key fobs require special tools to open, and the contacts inside could be fragile and easily corroded. In these cases, a remote car key repairs specialist or dealer may be your best option. When replacing a battery, be gentle and follow your owner's instructions. You might be able to find the same battery in a big-box store or discounter, however, make sure to check the owner's manual to ensure that it's compatible with your car.

Replace the internal key

To prevent theft, most key fobs are equipped with an internal mechanical key that is hidden within. If the battery of the fob fails it will leave behind a blank internal key that is able to unlock doors and trunks (and in some cases start certain cars). Most people aren't aware of this however, they can save themselves from a trip to the dealer by simply replacing the fob battery. The flat watch-style batteries are used in the majority of modern fobs. These batteries are easily found in hardware stores and auto key fob repair parts stores. The right kind 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 persists it could be an indication that something else is going on in your vehicle. Check your owner's manual to see if there's a reset procedure that will restore the fob to the factory program. If this doesn't work, you'll have go to a dealer or an independent shop that specializes in security systems for vehicles and key fob programming.

Fobs may also fail because of faulty transmitter receivers. They are typically located on the dashboard or next to the steering wheel, and transmit signals that allow you to open and start your car with the fob. If you notice that you're having to get closer and closer to your car to get it to work, there's a good possibility that the transmitter is not working.

A professional might have to open the fob's case to replace the transmitter. A simple screwdriver is enough to do the job however some fobs come with complicated release mechanisms that require a special tool or equipment that is available only at a dealer. It is a good idea to have a certified mechanic handle this job to ensure you don't damage the fob or injure yourself.

Reprogramming the Key

Most of the time, a key fob that isn't working just requires a new battery. They are easily available in home improvement and pharmacy stores and are inexpensive. This is a great way to start before buying an entirely new key fob.

You may also be able to program the fob yourself by following the steps. The procedure may differ for different vehicles, so you should consult your owner's guide and research the model you have. One key fob might require that the ignition be switched on when reprogramming. One key fob may require the key to be inserted several times.

The process is straightforward. First, make sure the new battery is in place. Close all doors, with the exception of the driver's door. This will ensure that the new fob 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 don't start the engine. Then press the lock button on the fob while making sure to point it towards the transmission receiver, which is typically situated on the front of the car key repair company above the mirror. The key will inform the vehicle within a short amount of time that it is being programmed. This can be accomplished by turning off the door locks or emitting an audible chime. This procedure can be difficult so it's essential to pay attention to the timing and don't over-press the key button.

If the key fob still doesn't work, try reprogramming it again with new batteries. If the problem persists then a visit to your car dealer or locksmiths should be considered. A professional locksmith will have the tools and equipment required to reprogram the car fob or design a new one if necessary.

Genesky says he can usually program newer fobs at around $200 to $250, based on the car. However, he's had the need to turn down customers who have European models because he doesn't have the expensive equipment they require. The majority of aftermarket fobs can be programmed, but you should always inquire with your local car dealer to determine the price.

How to get a new fob

If your key fob is simply beyond repair, you might need to purchase an alternative. Depending on your vehicle's model and make, an auto locksmith or dealership might be able to assist. The dealership is likely to be the most expensive choice for a replacement fob, but it also has the tools and software needed to program your car correctly. If you are looking for a less expensive option, a number of independent locksmiths can provide you with a brand-new car key fob at a lower price.

Before you decide to purchase a new key fob, it is an excellent idea to try resetting your current one. Your owner's manual should outline the correct procedure for reset, which is usually just the pushing of a button that restores the original programming.

You should also look over the owner's manual and warranty information to see whether you can obtain a replacement fob for your key. If your car is under warranty or you have a car key and repair insurance policy or auto club membership that includes bumper-to-bumper insurance, you might be able to receive some reimbursement for the cost of an entirely new fob.

Getting a fob is easy enough, but finding the right place to have it done can be tricky. If you own a new car and would like the assurance with knowing that your keys fobs are in good condition, you might be better off visiting the dealership to get this service. If you are seeking a less expensive alternative, it's possible to find a locksmith who can provide the same service at a lower price.

If you're not comfortable doing this type of work on your own, a professional locksmith can be a great choice. They are certified and equipped to repair or replace most types of car key fobs and often they can complete the task quickly. A locksmith can also come to your office or home, which is convenient for many. They can cut and program keys on the spot if you've lost keys. This is perfect for those who do not like to leave their car without a key.