The 10 Most Scariest Things About Car Key Fob Repair

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 high repair bills if one of them breaks.

It's good to know that most fobs are powered by flat watch-style batteries that can be replaced at home. You may find that a simple reset will allow your fob to function again.

Battery Replacement

The most frequent reason why that a key fob doesn't work is due to the battery being dead. This is a simple repair, and is worth a try before you go spending money on a new key fob. Simply take your car to an auto parts store or hardware retailer that sells button cell batteries and pick up an alternative. You can also refer to your owner's manual (or, if you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions for opening and replacing the battery on the specific type of fob you have.

Most fobs have two halves that snap together -- you'll need to gently break the sides to get to the battery. You'll need a small flat-bladed screwdriver or another tool with a small blade. You can wedge your tool into a notch at the bottom of the key fob. You might also want to look for small pieces that could come loose while you work.

Insert the new battery in the same way you removed the old one. The positive (+) side should be facing the buttons, while the opposite side is facing (-), the markings on the compartment for the battery.

Test the fob to see if it works by pushing a button. If it doesn't, you may have a problem with your car that requires a specialist to repair or replace.

Certain key fobs are difficult to open, and the contacts could be fragile and easily corroded. In these situations you should consult a specialist in your car or the dealer will likely be the best option. If you're in need of replacing the battery, make sure to be gentle and follow the instructions specifically in your owner's manual. You might be able find a similar battery at a discounter or big-box retailer but you'll have to refer to your owner's manual to ensure that it's the right one for your vehicle.

Replace the internal key

Most key fobs contain a physical mechanical key however, it's hidden within the fob to stop thieves from getting. When the battery in the fob dies it leaves an internal key that is blank which can open doors and trunks (and in some cases start certain vehicles). Most people aren't aware of this however, they can save a trip to the dealership by simply replacing the fob's battery. The flat watch-style battery is used in the majority of modern fobs. These batteries can be located at hardware stores and auto parts stores. It is essential to choose the correct kind of battery. A bad battery can cause damage to the circuitry and lead to the fob to fail much earlier.

If you try replacing the battery, and the issue persists, it could be a sign something else is going on with your car. If you have an owner's guide, check to see if a reset procedure is available to restore the fob's factory programming. If this isn't working, you'll need to visit a dealership or a shop independent that specializes in security systems for vehicles and key fob programming.

Fobs can also fail due to faulty transmitter receivers. These are usually built into the dashboard or next to the steering wheel, and they send signals that allow you to unlock and start your car with the fob. You may have to move closer to your car to make it work.

It might be necessary for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver will usually get the job done however some fobs come with complicated release mechanisms that require a special tool or equipment that is available only through a dealer. It's a good idea to have a certified mechanic do this job so that you don't break the fob or injure yourself.

Reprogramming the Key

A key fob that's not working might just need a new battery. These batteries are easily found in home improvement and pharmacy stores and are affordable. This is a great way to start before buying the new key fob.

You may also be able to reprogram the fob yourself by following the steps. The procedure varies for different vehicle manufacturers, so it is important to refer to the owner's manual as well as research the specifics of your particular model. For instance, one key fob may require the ignition to be turned on while reprogramming it. Another key might require the key to be inserted and removed repeatedly.

The basic procedure is easy. First, ensure that the new battery is securely in place. Close all doors, except the driver's door. This will ensure that the new key fob communicates with the vehicle properly. Then, place the old key back into the ignition and switch it to the ON position, but don't start the engine. Press the lock button while aiming the fob towards the transmission receiver. This is typically located on the front, above the mirror. The key will signal to the vehicle within a short amount of time that it is being programmed. This can be done by turning off the door locks, or emitting an audible chime. This can be a difficult process so it's essential to be aware of the timing and not to over-press the key button.

If the key repair shop fob doesn't work Try reprogramming it with new batteries. If the issue persists, you might want to check with your local dealer or locksmith. A professional will have all the tools and equipment to reprogram your car's fob or design a new one if necessary.

Genesky says he's able to program newer fobs for around $200-$250, based on the vehicle. But he's had to turn down customers who have European models because there's no equipment required. Fortunately, most aftermarket fobs can be programmable however it's best to talk to an auto dealer first to find out what the cost is.

How do I get a brand new fob

If your key fob is beyond repair, you may require an entirely new one. Depending 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 necessary to program your car correctly. If you are looking for a less expensive solution, many independent locksmiths can offer you a brand-new car key fob for a more affordable price.

Before you decide to purchase a new fob, it is recommended to consider resetting your current one. The owner's manual should provide the correct procedure for reset. It is typically a series button presses which restores the factory settings.

It is also a good idea to review your owner's manual as well as warranty information prior to deciding which place to go for the replacement of your key fob. If your car key fob repair service's warranty is still in effect or you have an auto club or car insurance policy that covers bumper to bumper you could be eligible to receive a reimbursement for the cost of replacing the fob.

Getting a fob is easy enough however finding the best location to do it isn't easy. If you own a new car and would like the assurance with knowing that your keys fobs are in working condition, you might be better off visiting the dealership for this service. If you're looking for a more affordable alternative, it is possible to find a locksmith that will offer the same service at less cost.

If you aren't comfortable handling this kind of work yourself, a professional locksmith may be a great choice. They are trained and equipped to repair or replace all kinds of car key fobs and often they can complete the task quickly. A locksmith can also visit your office or home, which is convenient for a lot of people. They can even cut and program keys on-site when you've lost keys, which is ideal for those who don't like to leave their cars in the dark.