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Car Key Fob Repairs

Key fobs today do a lot more than simply unlock and start vehicles. This added complexity can cause costly repair costs if it breaks.

The positive side is that many fobs are equipped with flat-watch-style batteries that are easy to replace at home. You may find that a simple reset is enough to bring your fob back to life.

Battery Replacement

The most common reason a key fob stops working is because of the battery being dead. This is a simple fix, and it's worth a try before you spend money on a new fob. Take your car to an hardware or auto parts retailer that stocks button cell batteries and purchase a replacement. You can also refer to 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 the specific type of fob you have.

The majority of fobs have two halves that snap together -- you'll need to gently pull the sides apart to access the battery. You'll need a small flat-bladed screwdriver, or another tool with a small blade. You can put your tool into a slot 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.

Once you have your new battery, place it in the same manner that you removed the previous one. Make sure the positive (+) side is facing upwards towards the buttons and that the negative (-) side of the battery is aligned correctly with the markings inside the battery compartment of your fob.

Push a button to test the fob. If it doesn't work, there could be an issue with your car that requires a professional to repair car key remote or replace.

Certain key fobs require specific tools to open and close, and the connections inside may be delicate and susceptible to corroding. In these situations, the best option is to speak with a expert or dealer. If you're looking to replace the battery, make sure to be very gentle and adhere to the specific instructions in the owner's manual. You might be able to find an identical battery at a big-box retailer or discounter, but be sure to check your owner's guide to ensure that it's compatible with your vehicle.

Replacing the Internal Key

The majority of key fobs have an actual mechanical key however, it's hidden within the fob to keep it from being stolen. When the fob battery dies it leaves behind a blank internal key that can unlock trunks and doors (and in some cases start certain vehicles). Most people aren't aware of this however they could save 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 are easily located at hardware stores and auto parts stores. The right kind of battery is important however. A bad battery can cause damage to the circuitry, causing the fob's failure much sooner.

If the issue persists after you replace the battery, it may be an indication that there is something else wrong in your vehicle. If you have an owner's guide, check to see if you can use a reset procedure to restore the fob's factory programming. If this fails, you'll need visit a dealership or independent shop that specializes vehicle-security systems and key fob programming.

Fobs could also fail due to faulty transmitter receivers. They are typically located close to the steering wheel or in the dashboard. They transmit signals that enable you to unlock your car and begin it using the fob. You may have to move closer to the car to make it work.

A professional might need to open the case to replace the transmitter. A simple screwdriver can usually suffice, but certain fobs require a special tool or special equipment which can only be found at a dealer. It's best to have a certified mechanic do this job so that you don't damage the fob or hurt yourself.

Reprogramming the Key

A key fob that is not functioning just requires a new battery. They are easily available in pharmacy and home improvement stores and are affordable. This is a good option to begin before purchasing the new key fob.

You can also reprogram your key fob on your own if you follow a few basic steps. This process can vary between vehicles, so you should consult your owner's guide and research your specific model. One key fob could require the ignition to be on when reprogramming. One key fob could require the key to be inserted several times.

The basic 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 fob can communicate with the vehicle in a proper manner. Then, put the old key back into the ignition and turn it on to the ON position, but do not start the engine. Press the lock button while aiming the fob toward the receiver for transmission. This is usually located on the front, above the mirror. Within a brief time the key will announce to the vehicle that it's being programmed by turning off the doors' locks or generating a chime. This is a difficult procedure, so pay attention to timing and don't over-press the button.

If the key fob does not work try reprogramming it with fresh batteries. If the problem persists you might want to check with your local locksmith or dealer. A professional locksmith will have the tools and programming equipment needed to reprogram your car key fob repair (read this article)'s fob, or create a new key if it's needed.

Genesky says he's able to program newer fobs at around $200-$250, based on the vehicle. However, he's had to turn down customers who have European models due to the fact that there's no equipment they require. Luckily, the majority of aftermarket fobs can be programmable however it's recommended to consult an auto dealer first to see what their price is.

Finding a New Fob

If your key fob is beyond repair, you might need to purchase a new one. Depending on the make and model, the dealership or an auto locksmith may be able to help. The dealership is likely to be the most expensive choice for a replacement fob, but it also has the tools and software required to program your car correctly. For a more affordable solution, many independent locksmiths can offer you new car keys for a much more reasonable cost.

It is a good thing to attempt to reset the fob you have before you rush out to buy a new one. The owner's manual will outline the proper procedure for reset which is typically pushing a few buttons that restores the factory settings.

It's also a good idea to check your owner's manual as well as warranty information prior to deciding which place 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 for reimbursement for the cost of the new fob.

Finding the right place to get a fob can be a challenge. If you own a new car and would like the assurance with knowing that your key fobs are in working condition, you might prefer going to the dealership for this service. If you're seeking a less expensive alternative, it's possible to find a locksmith that will provide the same service for less cost.

If you aren't comfortable handling this kind of work yourself A professional locksmith could be a good option. They are trained and equipped to repair or replace the majority of car key fobs and they can often do it quickly. A locksmith can also visit your office or home which is a great option for many people. They can even cut and program keys on-site if you have lost keys, which is ideal for those who prefer not to leave their cars unattended.