Car Key Fob Repair Explained In Fewer Than 140 Characters

Car Key fob key repair Repairs

Key fobs today can do much more than just unlock and start vehicles. However, that added complexity can cause costly repairs when one of them fails.

The good news is that most fobs have flat-watch-style batteries that are simple to replace at home. You may even find that a reset will get yours working again.

Battery Replacement

The most frequent reason that a key fob doesn't work is due to an inoperative battery. It's a simple fix and worth trying before you invest in an alternative fob. Simply take your car to a local auto parts store or hardware retailer that carries button cells and choose a replacement. 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.

You'll need to gently pry off the sides of many fobs in order to access the battery. You'll need a small flat-bladed screwdriver, or another tool with a blade that is thin. It may be helpful to look for a notch on the lower edge of the fob that you can use to place your tool between. You might also want to be on the lookout for small pieces that could be loosened while working.

Insert the new battery in the same manner as you removed the previous one. The positive (+) side should face the buttons, while the opposite side is facing (-) the marks on the battery compartment.

Check the fob to determine if it works by pushing the button. If it doesn't work, you might have an issue with your vehicle that requires a professional to fix or replace.

Some key repair shops near me fobs are difficult to open and the contacts may be fragile and easily corrosion-prone. In these situations an expert in the field or dealer may be the best choice. If you're looking to replace a battery, try to be gentle and follow the specific instructions in the owner's manual. You might be able find a similar battery at a discounter store or a big-box retailer, but you'll need to refer to your owner's manual to make sure that it's compatible with your vehicle.

Replacing the Internal Key

To guard against theft, many key fobs are equipped with an internal mechanical key that is hidden within. If the battery of the fob fails it will leave an internal key that is blank that is able to unlock doors and trunks (and in some cases start certain cars). The majority of people don't realize that they can save a trip to a dealership by replacing the fob's batteries. Most modern fobs have flat watches-style batteries that can be found at hardware stores and auto parts shops. It is important to use the correct type of battery. A wrong battery can harm the circuitry and lead to the fob to fail much earlier.

If you try replacing the battery and find the issue is still there it could be a sign something else is happening in your vehicle. Check your owner's manual to determine if there's a reset procedure that will restore the fob's factory-setup. If this doesn't help, you'll need to go to a dealership or an independent shop that specializes in vehicle security systems and fob programming.

Fobs can also malfunction due to faulty transmitter receivers. They are typically placed on the dashboard or near 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 the car keys repair to enable it.

It might be necessary for a professional to open the case of the fob in order to replace the transmitter. A simple screwdriver will usually accomplish the task however some fobs come with complex release mechanisms that require a specialized tool or equipment that is available only at a dealer. It's best to have a qualified mechanic do this job so that you don't break the fob or hurt yourself.

Reprogramming the Key

Often a non-functional key fob simply requires a new battery. Because they are cheap and easily available at pharmacies and home improvement stores, this is an excellent first step prior to buying a new car key fob.

Alternatively, you may be able to reprogram the fob on your own by following a few basic steps. The procedure may differ for different automobiles, so read the owner's manual and research the model you have. For instance, one key fob may require the ignition to be turned on while reprogramming it. A key fob might require the key to be inserted multiple times.

The general process is simple. First, make sure the new battery is firmly in place. Then, get in the driver's seat, and close all doors, excluding the driver's side door. This will ensure that the new key fob is communicating 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 towards the receiver for transmission. It is usually located on the left side, just above the mirror. In a short period of time the key will announce to the vehicle that it's being programmed by turning off the doors locks or emitting a chime. This is a difficult process, so pay attention to timing and don't over-press the button.

If the key fob doesn't function after reprogramming, you can try using new batteries. If the issue persists, you might want to visit your car dealer or locksmith. A professional will have the tools and programming equipment needed to reprogram your car's fob or clone an entirely new key if required.

Genesky says he's able to program newer fobs that range between $200 and $250, based on the vehicle. But he's had to turn away customers with European models because there's no equipment required. Fortunately, most aftermarket fobs can be programmable but it's always best to talk to an auto dealer first to find out what the cost is.

Finding a New Fob

If your key fob cannot be fixed, you could need to buy a new one. Based on the make and model, the dealer or an auto locksmith might be able to help. The dealership is likely to be the most expensive option for a fob replacement However, they'll have the necessary tools and software to program your vehicle correctly. Many independent locksmiths offer a new car key fob for the lower cost.

Before you rush to get an entirely new device, it is a good idea to try resetting your current one. The owner's manual should outline the correct method of reset. It is typically an orderly press that restores the factory programming.

It is also a good idea to read your owner's manual as well as warranty information before you decide where to go for a broken key repair fob replacement. If your vehicle is under warranty or you have a car insurance policy or auto club membership that includes bumper-to-bumper insurance, you might be eligible to receive a reimbursement for the cost of a new fob.

Finding the right place to get the fob you need can be difficult. If you own a new car and would like the security with knowing that your keys fobs are in working condition, you may prefer going to the dealership to get this service. If you are looking for a cheaper alternative, it is possible to find a locksmith who will offer the same service for less cost.

If you're not confident handling this kind of work yourself, a professional locksmith may be a great choice. They are certified and equipped to repair car keys or replace all kinds of car key fobs and often, they can do it quickly. Locksmiths can also visit your office or home which is a great option for a lot of people. They can cut keys and program them on the spot if you've lost them. This is perfect for those who don't want to leave their vehicle without a key.