Ten Fob Key Repairs That Really Change Your Life

Ten Fob Key Repairs That Really Change Your Life

Key Fob Replacement and Repair

The key fobs in modern cars perform a lot of work and are subject to a lot of abuse. Sometimes, a simple repair or replacement is all you need to make them work again.



Most fobs utilize flat watch-style batteries, which are readily available in hardware stores and auto parts retailers. Before you call in a professional, do some DIY fixes.

Dead Key Fob Battery

The key fob battery powers the remote function of your car. It also, in conjunction with push-to-start vehicles it allows it to start your engine. It is therefore important to keep a functioning, healthy battery. A dead key fob is a major problem when you're on-the-go. A simple, inexpensive replacement will solve the issue quickly.

The loss of range and signal strength are among the most commonly observed indications that a battery on a keyfob is dying. It is also possible to notice that the buttons on your key fob are not working or require additional effort.

It is common to find the latest key fob batteries in the auto parts section of a large box store or on the internet. They are typically CR2032 and CR2025 and are available in packs of 2 or more. Make sure to consult your owner's manual prior to you shop for the right battery. Some cars require a specific size or type that is not always available at big-box stores. Be sure to check before you buy.

Typically the battery is situated on the back of your key fob and is removed by tearing the case open using a flat-blade screwdriver. It is usually shaped like the shape of a small coin, and be labeled with the battery size. Be sure to note down the orientation of the plus and minus symbols in order to put the new battery in the correct place. After the battery has been replaced, gently snap the two pieces of the fob back together, and test the buttons.

If your key fob still isn't working after replacing the battery, it might be deprogrammed. In this situation, a locksmith will be needed to help you. This will cost more than replacing the key fob's battery.

The skilled mechanics at YourMechanic are able to repair your key fob if it is damaged or if the battery is dead. Be sure to check out all of our services in your area and schedule an appointment today!

Weak Signals

If your key fob doesn't respond to the buttons on the remote it could indicate that the signaling system is not working properly. Radio signals are used to send messages between your car and key fob. Weak or inconsistent radio signals can result in poor performance and a limited range.

One of the first things you should determine is if your fob's battery is low since this can greatly affect the sensitivity of the signal. Resetting the settings on the fob could aid in restoring a more regular response. The procedure varies from vehicle to vehicle, so the owner's manual or call to the help line of the manufacturer is probably the best source of information here.

Other factors can cause weak fob signals, for example, interference from other devices operating on the same frequency as your key fob. Other key fobs and wireless communication devices may interfere with the RF (radio-frequency) signals your key fob transmits to the receiver of your vehicle.

The physical damage to your keyfob can affect the transmission of RF signal, resulting in poor performance and range. A blown fuse, a damaged or cracked buttons, or a bent fob case can interfere with the transmission of signals and cause the remote to not respond.

There are a few simple steps you can take to try and resolve the issue of weak signals from your fob, for example, resetting the fob's settings or changing the battery. If your fob is old and worn, it may be time to replace it.

Don't forget to use the spare remote that came with your car if your primary remote begins to fail. You should try this solution first to see if it can solve the issue prior to buying an entirely new remote. If not, it might be the best moment to call an experienced auto locksmith. They will be able diagnose the issue and recommend the best course of actions.

Physical Damage

It's not common for key fobs to encounter issues from time-to-time. Most of these problems aren't complicated or difficult to fix and can be solved by following a few easy steps. It's a good idea also to keep spare batteries or a different fob on hand in case your key ever fails to function.

The most common reason for a car key fob not working is a dead battery. These tiny devices depend on tiny lithium-ion button or coin batteries to function. They can be replaced and are available at most pharmacies and stores. You can remove your fob's casing using a flat head screwdriver and gently pry out the existing battery. Make sure it's not damaged or loose, and then simply pop in an alternative battery.  key car repair  use CR2032 batteries, but yours may require a different type.

When your fob loses its pairing, it can stop responding to buttons. This can be caused by various reasons including changing the batteries. However, an auto Locksmith or a local dealership is usually able to repair the issue.

If none of the strategies above work, try this method: disconnect the batteries from the car and the fob for a short period of time and then reconnect them in reverse order. This can force a restart within the system, and in some cases, this alone will fix the issue without requiring any of the other steps.

When you're playing around with the fob, ensure to keep it clear of water and other dangers. The fob is quite robust, but it's crucial to treat it with care when you want it to last as long as possible.

If all of the suggestions above aren't working, it could be time to consider replacing your key fob. If it's been dropped or tripped over, or exposed to other harsh environmental conditions it could be beyond repair and requires an upgrade. If this is the case, you should be sure to search for a deal before making your final decision.

Lost Fob

Even with the best of care it's a fact in life that car key fobs will sometimes fail to function. If you lose yours it could be a huge expense to replace it, particularly in the event that you don't have spare. "You might end up paying $50 or more to purchase a new replacement from the dealer and have it programmed, as well as a new mechanical backup, which will cost at most another $100," says Mel Yu an automotive analyst with Consumer Reports.

One of the most frequent reasons for a key fob to stop working is a simple issue, such as an insufficient battery. If you are familiar with how to replace the battery, or if the owner's guide has instructions, you can try it yourself. If this doesn't work, you'll have to call an expert.

A locksmith can help you to replace or locate your lost key fob. They'll also have a good idea of the reason your fob stopped functioning in the first place. If your car is old and does not include smart technology, you can still save money by recording the key's number plate of your mechanical backup key. It's typically hidden behind a decorative keychain. This can make it easier for the locksmith to reprogram a brand new key fob for your car should you require it.

If your key fob is an old smart key, it'll need to be deprogrammed by a locksmith or a car dealer. This can cost more than just replacing it. Modern key fobs are secured by encryption using rolling-codes which stops thieves from gaining access to your car. That means that the locksmith must have an exclusive programing tool that only the vehicle manufacturer is equipped with, which adds to the overall expense.

In the majority of cases, the entire service will be billed at the same time. This includes all costs for reprogramming a new keyfob. Based on the car, that can run from around $20 at certain stores to $200 or more at a car dealer.