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Car Key Fob Repairs

Key fobs today do much more than unlock and start vehicles. However, that added complexity can cause costly repairs when one of them fails.

The positive side is that many fobs have flat-watch-style batteries that are simple to replace at home. You may even find that a reset can get yours working again.

Battery Replacement

A dead battery is the main reason for the fob's key not working. It's easy to repair and worth a try before you spend money on an alternative fob. You can buy an additional button cell battery at your local auto part store or hardware retailer If you own one. You can also consult your owner's manual (or, if you don't have one, YouTube is full of videos from people explaining how to repair broken car key to do it) for specific instructions on opening and replacing the battery on the specific type of fob you have.

You'll need to gently pull off the sides of many fobs to reach the battery. It's usually a screwdriver or another tool that has a flat, thin blade. It may be helpful to look for a notch along the bottom of the fob which you can use to place your tool between. It is also advisable to be on the lookout for small pieces that may be loosened while working.

Insert the new battery the same way you removed the old one. The positive (+) side should face the buttons and the negative (-) the marks on the compartment for the battery.

You can push 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 professional.

Certain key fobs require special tools to open and close them, and the contacts inside could be fragile and easily corroded. In these situations an expert in the field or the dealer will likely be your best option. When replacing a battery, be gentle and follow your owner's guide. You may be able find an identical battery in a big-box store or discounter, however, make sure you read the owner's manual to ensure it is compatible with your Car key fob repair.

Replacing the Internal Key

To protect against theft, car key fob repair the majority of key fobs are equipped with a mechanical key hidden inside. When the battery in the fob goes out and the key is discarded, a blank one is left behind, which can be used to unlock trunks and doors. In certain cases the key could even start certain vehicles. The majority of people don't realize they can save a trip to a dealership by replacing the fob batteries. Most modern fobs use flat watch-style batteries that are readily available at auto parts stores and hardware shops. It is important to use the right type of battery. A bad battery can cause damage to the circuitry and cause the fob's failure much sooner.

If the problem continues to persist after you replace the battery, it could be a sign that something else is wrong with your vehicle. Go through the owner's manual to determine if you have an option to reset the fob and restore the fob to the factory program. If this doesn't work, you'll need to visit a dealer or an independent shop that specializes in vehicle security systems and fob programming.

Fobs can also fail because of faulty transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and they transmit signals that allow you to unlock and start your car with 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 great possibility that the transmitter is not working.

A professional might need to open the case to replace the transmitter. A simple screwdriver can usually do the trick, but some fobs require a specialized tool or a special piece of equipment that can only be purchased at a dealership. It is a good idea to have a certified mechanic do this job so that you don't accidentally break the fob or hurt yourself.

Reprogramming the Key

Most of the time, a key fob that isn't working just requires a new battery. Because they are cheap and readily available at pharmacies and home improvement stores, this is a good first step before purchasing the purchase of a new car key fob.

You may also be able to program the fob on your own by following some basic steps. The procedure varies for different vehicle manufacturers, so it is important to read the owner's manual and study the specifics of your model. For instance one key fob could require the ignition to be switched on while reprogramming the key. Another key might require the key to be removed and inserted repeatedly.

The basic procedure is simple. First, ensure that the new battery is firmly in place. Close all doors except the driver's door. This will ensure that the new key fob is communicating with the vehicle in a proper manner. After that, put the old key back in the ignition and turn it on 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 vehicle above the mirror. The key will signal to the vehicle within a short period of time that it is being programmed. This can be done by turning the door locks or by 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 isn't working try reprogramming it with fresh batteries. If the problem persists you might want to visit your local locksmith or dealer. A professional locksmith will have the tools and equipment required to reprogram the car fob or design a new one, if required.

Genesky says he's able to program newer fobs for around $200 to $250, based on the car. But he's had to turn down customers who have European models due to the fact that there's no equipment they require. The majority of aftermarket fobs can be programmed, but you should always consult your local dealer to find out the cost.

Getting a New Fob

If your key fob cannot be repaired, you might need to buy a new one. Depending on the make and model, the dealer or an auto locksmith may be able to assist. The dealership is likely to be the most expensive option to replace your fob, but it also has the tools and software needed to program your car correctly. If you are looking for a less expensive solution, many independent locksmiths can provide you with new car keys for a much more reasonable cost.

It's a good idea to attempt to reset your current fob before you make the decision to purchase a new one. The owner's guide should explain the correct method of reset. This is usually a series button presses which restores the factory settings.

It's an excellent idea to check the owner's manual and warranty information before 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 includes bumper-to-bumper protection, you may be eligible to receive a reimbursement for the cost of a new fob.

Getting a fob is easy enough however, finding the right place to have it done can be tricky. If you own a new car and want the assurance with knowing that your key fobs are in good working condition, you might prefer going to the dealership to get this service. If you're seeking a less expensive alternative, it is possible to find a locksmith that can provide the same service for a lower price.

A locksmith who is professional is a great choice If you're not confident doing this kind of work. They are equipped and trained to repair or replace keys for cars of all kinds and can do it quickly. Locksmiths is also able to visit your office or home, which is convenient for many people. They can even cut and program keys on-site if you have lost keys, which is ideal for those who don't like to leave their cars in the dark.