Car Key Fob Repairs

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

The good news is that most fobs have flat-watch-style batteries that are easy to replace at home. And you may find that a reset will make your device work again.

Battery Replacement

The most common reason that a key fob doesn't work is because of the battery being dead. It's a simple fix, and it's worth a try before you decide to spend money on a new fob. Take your car to an auto parts store or a hardware retailer that stocks button cell batteries and pick up an alternative. You can also refer to the owner's manual (or, if you don't have one, YouTube is full of videos of people who explain how to do it) for specific instructions for opening and replacing the battery on the particular type of fob.

The majority of fobs have two halves that snap together -You'll need to pull the sides apart in order to access the battery. It's usually a screwdriver or some other tool with a thin, flat blade. It's a good idea to look for a notch on the bottom of the fob that you can use to put your tool in between. You may also want to keep an eye for tiny pieces that may come loose while working.

Once you have your new battery, you can insert it in the same way that you removed the old one. The positive (+) side should be facing the buttons and the reverse (-) 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 requires to be repaired or replaced by a specialist.

Some key fobs are difficult to open and the contacts could be fragile and easily corrosion-prone. In these cases the best choice is to consult a car expert or dealer. When replacing a battery, be gentle and follow your owner's guide. You may be able find an identical battery at a big-box retailer or discounter, but be sure you check the owner's manual to make sure it's compatible with your car.

Replacing the Internal Key

The majority of key fobs have an actual mechanical key however, it's hidden within the fob to stop thieves from getting. If the battery inside the fob fails it will leave a blank key left behind and can be used to unlock trunks and doors. In some cases, this key can even start certain cars. The majority of people don't realize that they can save a trip to a dealership by recharging the fob batteries. The flat watch-style batteries are used in most modern fobs. These batteries are easily found at hardware and auto parts stores. The right kind of battery is important 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 that something else is going on in your vehicle. 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 original programming. If this doesn't work, you'll have go to a dealer or independent shop that specializes security systems for vehicles and key fob programming.

Fobs can also malfunction due to malfunctioning transmitter receivers. They are typically located close to the steering wheel, or on the dashboard. They transmit signals to allow you to unlock your vehicle and start it using the fob. You may have to move closer to the car in order to make it work.

A professional might have to open the fob's case to replace the transmitter. A simple screwdriver can usually suffice, but some fobs require a specialized tool or equipment which can only be found at a dealership. This is a job that should be done by a certified mechanic in order to avoid damaging the fob and yourself.

Reprogramming the Key

A key fob that is not working might just need a new battery. These batteries are readily available in pharmacy and car key fob repairs home improvement stores and are cheap. This is a good option to begin before purchasing the new key fob.

You may also be able to program the fob on your own by following some basic steps. The process is different for different vehicles manufacturers, so it is important to read the owner's manual and study the specifics of your model. For instance, one key fob may require the ignition to be turned on while reprogramming it. One key fob may require the key to be inserted several times.

The basic procedure is simple. First, make sure the new battery is securely in place. Then, get into the driver's seat and close all doors, excluding the driver's side door. This will ensure that the new key is communicating with the vehicle correctly. Then, place the old key back in the ignition and turn it on to the ON position, but do not start the engine. Press the lock button while aiming the fob towards the receiver of the transmission. It is usually located on the front, above the mirror. The key will notify the vehicle within a brief amount of time that it's being programmed. This can be done by turning the door locks, or emitting an audible chime. This procedure can be difficult and it's crucial to be attentive to the timing and to not over-press the key button.

If the key fob doesn't function after reprogramming, you can try replacing the batteries. If the problem persists you might want to check with your local dealer or locksmith. A professional locksmith will have the tools and equipment to reprogram your car's fob or create a new one if needed.

Genesky says he can usually program newer fobs for $200 to $250, based on the vehicle. However, he's had to turn away customers with European models due to the fact that he doesn't have the expensive equipment required. Fortunately, many aftermarket fobs are programmable but it's always best to check with an auto dealer first to determine what their price is.

How to get a new fob

If the key fob you have cannot be repaired, you might have to purchase a new one. Based on the model and make, an auto locksmith or dealership might be able to assist. The dealership is likely to be the most expensive option for a replacement fob but it will also have the tools and software needed to program your car properly. Many locksmiths in independent shops offer a new car key fob for an affordable price.

It's a good idea to try to reset your current fob before you decide to buy another one. The owner's manual should provide the correct method of reset. It is typically the result of a series of button presses that restores the factory programming.

It's an excellent idea to check your owner's manual and warranty information before you decide the best place to get 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 able to receive some reimbursement for the cost of the new fob.

Getting a fob is easy enough, but finding the right location to get it done isn't easy. You might want to visit the dealer for this service if are driving a brand new car and are looking to feel secure knowing that your key fobs work properly. However, if you want an affordable alternative it is usually possible to find a locksmith independent who can provide the same services for a significantly lower price.

A locksmith who is professional is a great choice for those who aren't comfortable with this kind of work. They are trained and equipped to replace or reprogram key fobs for cars of all types and can do it quickly. Additionally, locksmiths will often visit your home or office to do the job which can be extremely convenient for some people. They can even cut and program keys on the spot if you have lost keys, which is great for those who prefer not to leave their cars in the dark.