Car Key Fob Repairs

Key fobs today do a lot more than unlock and start vehicles. However, that added complexity can cause expensive repair costs if one of them breaks.

It's important to know that the majority of fobs are powered by flat watch-style batteries which can be replaced at home. You might find that a simple reset can bring your fob back to life.

Battery Replacement

A dead battery is the most common reason for a key fob that isn't working. This is a simple fix, and it's worth trying before you spend money on a new key fob. You can pick up an additional button cell battery at your local auto part store or hardware retailer if you have one. You can also consult your owner's guide (or Keyrepair YouTube for videos explaining how to replace the battery) for specific instructions on how to remove and replace the battery in your fob.

Most fobs come with two halves that snap togetherYou'll need to pull the sides apart to access the battery. You'll need a small flat-bladed screwdriver, or another tool with a thin blade. You can wedge your tool into a notch on the bottom of the key fob. You might also want to keep an eye for tiny pieces that may come loose as you work.

Insert the new battery the same manner as you removed the old one. Make sure the positive (+) side is facing up towards the buttons, and that the negative (-) side of the battery is aligned correctly with the marks inside the battery compartment of your fob.

Push a button to test the fob. If it doesn't work, you may have an issue with your car that requires a professional to repair or replace.

Certain key fobs can be difficult to open, and the contacts may be brittle and easily corrosion-prone. In these cases the best choice is to talk to a expert or dealer. If you need to replace the battery, make sure to be gentle and follow the specific instructions in the owner's manual. You may be able find an identical battery at a big-box retailer or discounter, however, make sure you read 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 are equipped with an electronic key inside. If the battery inside the fob fails, a blank key is left behind, which can be used to open trunks and doors. In some instances, this key can even start certain vehicles. Most people aren't aware of this, but they can save themselves having to go to the dealership by simply replacing the fob's battery. The majority of modern fobs utilize flat-watch-style batteries which can be found at auto parts stores and hardware shops. Using the correct type of battery is essential however. A bad battery can cause damage to the circuitry and lead to the fob's failure earlier.

If you try replacing the battery and discover that the problem persists it could be a sign something else is going on in your vehicle. Check your owner's manual to determine if you have a reset procedure that will bring the fob back to factory-setup. If this doesn't help you'll have to visit a dealer or an independent shop that specializes in vehicle-security systems and fob programming.

Fobs can also malfunction because of faulty transmitter receivers. They are typically placed on the dashboard or near the steering wheel, and they send signals that allow you to open and start your car with the fob. If you're having to get closer and closer to your car to be able to make it work, there's a great chance the transmitter is failing.

It might be necessary for a professional to remove the case of the fob in order to replace the transmitter. A simple screwdriver can usually work, however certain fobs require a special tool or equipment that can only be purchased at a dealership. It is a good idea to have a certified mechanic perform this task so you don't break the fob or hurt yourself.

Reprogramming the Key

A key fob that is not working could just require a new battery. These batteries are readily available in pharmacy and home improvement stores and are inexpensive. This is a good option to begin before purchasing an entirely new key fob.

You can also reprogram your key fob by yourself by following a few basic steps. This process varies between vehicle manufacturers, so it is important to read the owner's manual and study the specifics of your model. For example one key fob could require that the ignition be switched on while reprogramming the key. Another key might require the key to be removed and inserted repeatedly.

The general procedure is very easy. Make sure that the battery is securely in place. Then, get into the driver's seat and close all doors EXCEPT for the driver's side door. This will ensure that the new key fob communicates with the vehicle properly. After that, put the old key back into the ignition and turn it on to the ON position, but don't start the engine. Press the lock button while aiming the fob toward the transmission receiver. This is typically located on the front above the mirror. In a short period of time the key will signal to the vehicle that it's been programmed by turning off the doors' locks or emitting an emitted sound. This can be a tricky process, so pay close attention to the timing and avoid pressing too hard the button.

If the key fob still does not work try reprogramming it using new batteries. If the problem persists, a visit to your car dealer or a locksmith should be considered. A professional locksmith will have the tools and programming equipment needed to reprogram your car's fob or make the key if needed.

Genesky says he's able to program newer fobs for around $200-$250, based on the car. He's experienced European models rejected due to the fact that they don't have the equipment required. Fortunately, most aftermarket fobs are programmable however it's recommended to consult a car key repairs near me dealer first to determine what their price is.

How to get a new fob

If your key fob is simply damaged beyond repair, you could need to purchase a new one. Based on the make and model, an auto locksmith or a dealership might be able to assist. The dealership will likely be the most expensive option for a replacement fob however, they'll have all of the necessary tools and software needed to program your car correctly. For a more affordable solution, a variety of locksmiths can provide you with a brand-new car key fob for a more affordable cost.

It is a good thing to attempt to reset the fob you have before you make the decision to purchase a new one. Your owner's manual should outline the proper reset procedure, which is usually just pushing a few buttons that restores the original programming.

You should also check the owner's guide and warranty information to see if you can get a replacement key fob. If your car's warranty is still active or you have an auto club or car insurance policy that covers bumper-to-bumper, you may qualify for a reimbursement on the cost of a replacement fob.

Getting a fob is easy enough however, finding the right place to have it done can be a challenge. You might want to visit the dealer for this service if you are driving a brand new car and you want peace of mind knowing that your key fobs work properly. However, if you're looking for a more affordable option it is possible to find a locksmith who is independent who can provide the same services at a much lower cost.

A locksmith professional is a good option if you're not comfortable doing this type of work. They are certified and equipped to reprogram or replace most types of car key fobs, and keyrepair often they can do it quickly. In addition, a locksmith can often come to your home or office to complete the task which is practical for some. They can even cut and program keys on the spot if you have lost keys, which is great for those who don't like to leave their cars in the dark.