Do You Think You're Suited For Car Key Fob Repair? Try This Quiz

· 5 min read
Do You Think You're Suited For Car Key Fob Repair? Try This Quiz

Car Key Fob Repairs

Key fobs today are more than just a way to unlock and start cars. This added complexity could lead to expensive repair bills in the event that it malfunctions.

It's a good idea to know that most fobs are powered by flat watch-style batteries which can be replaced at home. You might find that a simple reset will make your fob work again.

Battery Replacement

The most frequent reason why a key fob stops working is because of a dead battery. This is easy to repair, and is worth a try before you go spending money on a new key fob. Take your car to an auto parts store or a hardware retailer that sells button cell batteries and purchase the replacement. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to remove and replace the battery in your fob.

You'll need to gently pry apart the sides of most fobs to reach the battery. You'll typically need a small screwdriver or some other tool with a thin, flat blade. You can insert your tool into a notch on the bottom of the key fob. You may also want to keep an eye out for small pieces that may be loosened while working.

Insert the new battery the same manner as you removed the previous one. The positive (+) side should be facing the buttons and the negative (-) the marks on the compartment for the battery.

Press a button to test the fob. If it doesn't work, there may be a problem with your vehicle that needs to be fixed or replaced by a specialist.

Certain key fobs require special tools to open and close, and the connections inside can be fragile and easily corroded. In  car keys repair  in the field or a dealer could be the best choice. When replacing a battery, be patient and follow your owner's instructions. You might be able to find the same battery at a big-box store or discounter, but make sure to check your owner's guide to ensure it's compatible with your vehicle.

Replacing the Internal Key

To protect against theft, the majority of key fobs have a mechanical key hidden inside. If the battery inside the fob goes out and the key is discarded, a blank one is left behind and can be used to open doors and trunks. In some instances it is possible to start certain cars. A majority of people don't realize that they can avoid a trip to a dealership by replacing the fob's batteries. The majority of modern fobs utilize flat watches-style batteries that can be found in auto parts stores and hardware shops. It is crucial to choose the right type of battery. The wrong type can damage the circuitry and lead to the fob to fail much earlier.

If the issue persists even after you have replaced the battery, it may be an indication that there is something else going on in your vehicle. Check your owner's manual to determine if there's a reset procedure that will restore the fob to factory programming. If this fails, 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 malfunctioning transmitter receivers. They are typically placed on the dashboard or close to the steering wheel, and they transmit signals that allow you to unlock and start your car using the fob. If you notice that you're being required to get closer and closer to your vehicle to be able to make it work, there's a good chance that the transmitter isn't working.



A professional may need to open the fob's case to replace the transmitter. A simple screwdriver can usually work, however certain fobs require a specific tool or a special piece of equipment that can only be found at a dealer. This job should be performed by a qualified mechanic to avoid damaging the fob and yourself.

Reprogramming the Key

Most of the time, a key fob that isn't working simply needs a fresh battery. Because these batteries are cheap and readily available in pharmacies and home improvement stores, this is an excellent first step prior to purchasing the purchase of a new car key fob.

Alternatively, you may be able to re-program the fob by following some basic steps. This process varies between vehicle makes, so it's important to read the owner's manual and study the specifics of the model you own. One key fob could require that the ignition switch be switched on when programming. One key fob could require the key to be inserted multiple times.

The procedure is simple. First, make sure that the new battery is securely in place. Then, get into the driver's seat, and close all doors, with the exception of the driver's side door. This will ensure that the new key is communicating with the vehicle properly. Insert the old key into the ignition, turn it ON however, don't start the engine. Next press the lock button on the fob while aiming it at the transmission receiver, which is typically located in the front of the car above the mirror. Within a brief time, the key will indicate to the vehicle that it's being programmed by triggering the doors locks or emitting a chime. This procedure can be difficult, so it's important to be attentive to the timing and not to over-press the key button.

If the key fob isn't working, try reprogramming it again with new batteries. If the issue persists, a visit to your car dealer or locksmiths should be considered. A professional will have all the tools and equipment to reprogram your car fob or design a new one if necessary.

Genesky says that he can program newer fobs between $200 and $250, depending on the vehicle. Genesky has had European models rejected because he lacks the expensive equipment needed. Fortunately, many aftermarket fobs are programmable, but it's always best to talk to a car dealer first to find out what their price is.

Finding a New Fob

If your key fob is simply beyond repair, you may need to get an alternative. Depending on the brand and model, a dealership or an auto locksmith may be able to assist. The dealership is likely to be the most expensive option to replace your fob, however, it will also have the tools and software necessary to program your car properly. For a more affordable solution, a variety of locksmiths can offer you new car keys for a much more reasonable price.

Before you purchase a new fob, it is a good idea to try resetting your current one. The owner's guide should explain the correct method of reset. It is typically a series button presses which restores the factory settings.

You should also check your owner's guide and warranty information to see whether you can obtain an additional fob for your key. If your car is still under warranty or you have a car-insurance policy or auto club membership that includes bumper-to-bumper protection, you may be eligible to receive a reimbursement for the cost of an entirely new fob.

Finding the right place to get a fob can be a challenge. You might want to go to the dealer for this service if have a newer vehicle and are looking to feel secure knowing that your keyfobs are working properly. If you're looking for a more affordable alternative, it's possible to find a locksmith that will offer the same service at less cost.

A locksmith professional is a good option If you're not confident doing this kind of work. They are equipped and trained to replace or reprogram keys for cars of all kinds and 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 keys and program them on the spot in case you've lost them. This is perfect for those who don't want to leave their vehicle unattended.