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It's The Next Big Thing In Car Key Fob Repair
Car Key Fob Repairs

Key fobs today can do much more than just unlock and start vehicles. However, the added complexity could add up to expensive repair costs if one of them breaks.

It's a good idea to know that the majority of fobs are powered by flat watch-style batteries, which can be easily replaced at home. You may even find that a reset can get yours working again.

Battery Replacement

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

You'll need to gently pry away the sides of the majority of fobs to reach the battery. You'll typically need a small screwdriver or another tool that has a flat, thin blade. It might help to look for a groove along the lower edge of the fob that you can wedge your tool between. You may also want to look for small pieces that could fall off while working.

Install the new battery in 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.

Check the fob to determine if it works by pushing a button. If it doesn't work, there could be an issue with your car that requires a specialist to fix or replace.

Some key fobs require special tools to open, and the contacts inside can be fragile and easily corroded. In these cases an expert in the field or a dealer could be your best option. When replacing a battery, be gentle and follow the owner's guide. You may be able to locate a comparable battery at a discounter store or a big-box retailer but you'll have to refer to your owner's manual to make sure that it's compatible with your vehicle.

Replacing the Internal Key

Most key fobs include the physical key mechanical that is hidden within the fob to prevent thieves. When the battery in the fob dies it will leave an internal key blank which can open trunks and doors (and in some cases, even start certain vehicles). Most people don't know this, but they can avoid a trip to the dealership by simply replacing the fob's battery. The flat watch-style battery is found in most modern fobs. These batteries can be found in auto parts stores and hardware stores. Choosing repair car key of battery is essential, however. The wrong type can damage the circuitry, causing the fob's failure much sooner.

If the issue persists even after you have replaced the battery, it could be a sign that there is something else wrong with your vehicle. Go through the owner's manual to see if there's a reset procedure that can restore the fob to factory-setup. 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 fail because of faulty transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and they send signals that allow you to open and start your car using the fob. You may have to move closer to your car to get it to work.

It may be required for a professional to access the case of the fob to replace the transmitter. A simple screwdriver can usually do the trick, but certain fobs require a specific tool or special equipment which can only be found at a dealer. It's a good idea to have a certified mechanic perform this task so you don't break the fob or cause injury to 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 home improvement stores and are cheap. This is a great way to start before buying a new key fob.

You can also re-program your key fob on your own If you follow some basic steps. The procedure varies for different 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 be on when reprogramming. Another key might require the key to be inserted and removed multiple times.

The basic procedure is easy. First, make sure the new battery is in place. Then, sit in the driver's seat and close all doors, with the exception of the driver's side door. This will ensure that the new key fob can communicate with the vehicle correctly. Then, place the old key back into the ignition and turn it to the ON position, but don't start the engine. Press the lock button while aiming the fob at the receiver of the transmission. This is typically located on the left side, just above the mirror. In a short period of time the key will signal to the vehicle that it's been programmed by cycling the doors' locks or generating a chime. This can be a tricky procedure, so pay attention to the timing and don't press too hard the button.

If the key fob still does not work Try reprogramming it with new batteries. If the issue isn't resolved you should visit your car dealer or a locksmith should be considered. A professional will have all the tools and equipment required to reprogram your car fob or create a new one if needed.

Genesky says he can usually 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 he doesn't have the expensive equipment they require. Fortunately, most aftermarket fobs can be programmed however it's best to check with an auto dealer first to find out what the cost is.

A New Fob


If the key fob you have cannot be repaired, you might have to purchase another one. Depending on your vehicle's make and model, an auto locksmith or dealership may be able help. The dealership is likely to be the most expensive choice for a replacement fob however, it will also have the tools and software needed to program your car properly. Many independent locksmiths offer a brand new car key fob at an affordable price.

It's a good idea to attempt to reset your current device before you decide to buy another one. The owner's manual should outline the correct method of reset. It is typically an orderly press that restores the factory programming.

It's also a good idea to review your owner's manual and warranty information prior to deciding where to go for a key fob replacement. If your car is still under warranty, or you have a car insurance policy or auto club membership that provides bumper-to-bumper coverage, you may be able to receive some reimbursement for the cost of an entirely new fob.

Finding the right place to get a fob can be difficult. If you own a new car and would like the assurance with knowing that your key fobs are in good working condition, you may prefer going to the dealership to get this service. However, if you want a more affordable option it is possible to find a locksmith who is independent who can provide the same service for a significantly lower price.

A locksmith professional is a good option for those who aren't comfortable with this type of work. They're trained and equipped to replace or reprogram keys for cars of all kinds, and can do so quickly. In addition, a locksmith will often visit your home or office to complete the task, which can be very useful for certain people. They can even cut and program keys on the spot in case you've lost keys, which is ideal for those who don't like to leave their cars unattended.

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