The 10 Scariest Things About Car Key Fob Repair

Car Key Fob Repairs

Key fobs today can do more than unlock and start vehicles. But that extra complexity can add up to high repair bills in the event that one of them malfunctions.

It's a good idea to know that most fobs are powered by flat watch-style batteries that can be replaced at home. You might find that a simple reset can make your fob work again.

Battery Replacement

The most frequent reason why the key fob ceases to function is because of an inoperative battery. It's a simple repair, and is worth a try before you decide to spend money on a new key fob. You can purchase an additional button cell battery at your local auto part store or hardware retailer if you have one. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to replace and open the battery in your fob.

Most fobs come with two halves that snap together -- you'll need to gently break the sides to access the battery. It's usually a screwdriver or another tool that has a flat, thin blade. You can insert your tool into a slot on the bottom of the key fob. It is also advisable to be on the lookout for small pieces that could come loose while you work.

Install the new battery in the same way as you removed the previous one. Make sure that the positive (+) side is facing upwards toward the buttons and that the negative (-) side of the battery is aligned with the markings in the battery compartment of your fob.

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

Some key fobs require special tools to open and close them, and the contacts inside could be fragile and easily corroded. In these cases you should consult a specialist in your car or dealer may be the best choice. If you're looking to replace a battery, try to be very gentle and follow the specific instructions in your owner's manual. You may be able to locate a comparable battery at a discounter or big-box retailer however, you'll need to check the owner's manual to make sure that it matches your car.

Replace the internal key

To guard against theft, many broken key repair fobs have a mechanical key hidden inside. If the battery of the fob fails it will leave behind a blank internal key that is able to unlock doors and trunks (and in some cases, even start certain vehicles). Many people don't realize this however they could avoid from a trip to the dealer by simply replacing the fob's battery. The flat watch-style batteries are used in most modern fobs. They can be found in hardware and auto parts stores. The right kind of battery is important, however. The wrong kind can damage the electronic circuitry and cause the battery to fail faster.

If the problem continues to persist even after you have replaced the battery, it could be an indication that something else is wrong in your vehicle. Check your owner's manual to determine if you have a reset procedure that can restore the fob to factory-setup. If that doesn't help, you'll need to visit a dealer or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs can also malfunction due to malfunctioning 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 using the fob. You may need to get closer to your car to enable it.

A professional might need to open the fob's case to replace the transmitter. A simple screwdriver will usually do the job, but some fobs have complicated release mechanisms that require a specific tool or specialized equipment that is available only at a dealership. It is a good idea to have a certified mechanic do this job so that you don't break the fob or cause injury to yourself.

Reprogramming the Key

A key fob that's not working may simply need a new battery. These batteries are readily available in both pharmacy and home improvement stores and are cheap. This is a good method to start before you purchase an entirely new key fob.

Alternately, you might be able to reprogram the fob yourself by following some basic steps. The procedure varies for different vehicle brands, so it's essential to consult your owner's manual and study the specifics of your particular model. One key fob might require the ignition to be turned on while changing the program. One key fob could require the key to be inserted multiple times.

The basic procedure is simple. First, make sure the new battery is firmly 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 the new fob is communicating with the vehicle correctly. Insert the old key into the ignition and turn it ON however, don't start the engine. Next press the lock button on the fob, while looking at the transmission receiver, which is usually located on the front of the car above the mirror. The key will notify the vehicle within a brief amount of time that it is being programmed. This can be accomplished by turning the door locks or emitting an audible chime. This process can be tricky and it's crucial to be attentive to the timing and don't over-press the key button.

If the key fob doesn't work, try reprogramming it again with fresh batteries. If the issue is still there, you might want to visit your local locksmith or dealer. A professional will have the tools and equipment needed to reprogram your car's fob or make the key if needed.

Genesky says he can usually program newer fobs for around $200-$250, based on the car. However, he's had to turn away customers with European models because they don't have the costly equipment required. Fortunately, many aftermarket fobs are programmable however it's best to check with an auto dealer first to determine what their price is.

How do I get a brand new fob

If your key fob is beyond repair, you may need to purchase an entirely new one. Depending on the brand and model, a dealership or an auto locksmith may be able to assist. 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 properly. Numerous locksmiths who are independent offer a brand new mobile car key repair key fob at the lower cost.

Before you purchase a new key fob, it is a good idea to try resetting your current device. The owner's manual should outline the correct method of reset. This is usually a series button presses that restores the factory programming.

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

Finding the best location to purchase the fob you need can be difficult. If you have a relatively new car key remote repair near me and would like the assurance with knowing that your keys fobs are in good working condition, you may be better off going to the dealership to get this service. If you are seeking a less expensive alternative, it is possible to find a locksmith who will offer the same service at an affordable cost.

If you're not comfortable doing this kind of work yourself A professional locksmith could be a good option. They are trained and equipped to repair or replace most types of car key fobs and they can often complete the task quickly. A locksmith is also able to visit your house or office which is convenient for a lot of people. They can even cut and program keys on-site in case you've lost keys, which is great for those who prefer not to leave their cars unattended.