Key Fob Replacement and Repair
The key fobs found in modern vehicles perform a lot of work and are subject to a lot of abuse. In many cases an easy repair or replacement is all it takes to get them back in good working good working order.
Most fobs utilize flat watch-style batteries, which are readily available in auto parts retailers. But before you call a professional, try a few DIY solutions!
Dead Key Fob Battery
The key fob battery powers the remote function in your car. It also, in conjunction with push-to start vehicles, permits it to start your engine. It is therefore essential to keep a functioning, healthy battery. A dead key fob can be an issue for anyone traveling. A simple, low-cost replacement can fix the issue quickly.
The loss of range and signal strength are the most frequent indications that a battery on a keyfob is failing. It is also possible to find that the buttons on your fob do not work or require additional effort to turn on.
You will often find a new key fob battery in the auto parts section of a big box store or on the internet. Typically, they're CR2032 or CR2025 batteries and are available in packs of two or more. However, it's a good idea to consult your owner's manual before you shop for the correct battery for your fob. Certain vehicles require a particular size or type of battery, which isn't always readily available at big-box stores. Be sure to check before you buy.
Typically the battery is situated in the back of your key fob. It can be removed by prying open the case with an abrasive screwdriver with a flat blade. The battery will look like a small coin and be labeled based on its size. Be sure to note which direction the plus and minus symbols are positioned to ensure that the new battery is properly placed. After the battery has been replaced then gently snap the two pieces of the fob back together and test the buttons.
It's worth noting that, when your key fob is unable to stop functioning even after a battery replacement, it might be deprogrammed. In this situation you will require a locksmith required to assist you. This will cost more than just replacing the battery of your key fob.
If the battery in your fob is failing or you're experiencing other issues with your key fob an experienced mechanic such as one from YourMechanic can inspect and repair it to get you back on the road. Schedule an appointment to see all of the services we offer in your local area.
Weak Signals
If you find that your key fob isn't responding as you would expect to the buttons on the remote, this could be a sign of a problem with signaling. Your car and key fob are dependent on radio signals to communicate, and weak or inconsistent signals can result in poor range and performance.
One of the first things you should determine is if the battery of your fob is depleted since this can greatly impact signal sensitivity. Resetting the settings on the fob could also help restore a more consistent response. The procedure may differ from vehicle to vehicle. repair broken car key or a call to your manufacturer's support line is the best source of information.
Other factors, like interference from other devices operating on the same frequency, can also affect weak signals. Other key fobs as well as wireless communication devices can interfere with the RF (radio-frequency) signals that your key fob transmits to the vehicle's receiver.
Damage to your keyfob's physical structure can affect the transmission of RF signal, which can result in poor performance and range. A blown fuse, damaged or cracked button, or a bent case of the fob may affect signal transmission and cause the remote not to respond.
You can try to fix the problem by resetting the settings on your fob, or by replacing the battery. If your fob is worn out, it's probably the time to replace it all over again.
Also, don't forget if you have an extra key fob which is part of your vehicle, this can be used as a replacement for the primary remote in case it starts to fail. It's worth trying this solution to determine if it resolves the issue before you invest in the new one. In this case it may be the right time to contact an expert auto-locksmith. They can identify the issue and suggest the most effective solution.
Physical Damage
Key fobs can have problems occasionally. Fortunately, most of these problems are not complicated or a major issue and can be fixed by following a few simple steps. It's a good idea to keep spare batteries or an additional fob in case your key ceases to work.
The most frequent cause for car keys not working is an inactive battery. These tiny devices are powered by lithium-ion button or coin cell batteries. They can be replaced and can be found at most pharmacies and stores. The fob's case can be opened using a screwdriver with a flat head and gently remove the battery you have. Check to see if it's damaged or loose and then simply pop in an alternative battery. The majority of fobs use CR2032 batteries, but yours might require a different kind.
When your fob loses its pairing, it could cease to respond to buttons. This could be due to a number of factors, including changing the batteries, but is generally simple for an auto Locksmith or your local dealer to fix.
If none of the solutions above work, try this trick: unplug the batteries from the car and fob for a few minutes and then connect them in a reverse order. This can force the system to restart and in some cases it can fix the issue without any other steps.
Keep the fob away from water or other sources of harm while you're experimenting. The fob is quite robust, but it's crucial to take care with it when you want it to last as long as you can.
If all of the suggestions above do not help, it may be time to consider replacing your key fob. If yours has been dropped, trodden on or subjected to other environmental hazards, it may be beyond repair and requires an upgrade. If that's the case, make sure to look around for a deal prior to making a final decision.
Lost Fob
Even with the best of care, car key fobs may fail to function. It's costly to replace yours in the event that you lose it particularly when you don't have an alternative. "You might end up paying $50 to $100 for a replacement, and getting it programmed by the dealer, and a mechanical backup that will cost you another $100," says Mel Yu an automotive analyst at Consumer Reports.
One of the most common reasons for a key fob's to not function is a simple issue, such as a weak battery. Try changing the battery yourself if you know how or get instructions from the owner's manual. If that doesn't work you'll need to call an expert.
A locksmith can be able to help you find the lost fob or have it replaced. They will also likely have a good idea of the reason why your fob stopped working in the first place. If your vehicle is an older model that has no built-in smart technology, you can save some cash by locating the key number plate that is on your existing mechanical backup key (it's usually hidden behind a keychain ornament with a decorative design) and storing it in a safe place--such as in your wallet or on your phone. This will make it easier for a locksmith to reprogram a brand new key fob for your car in the event that you need to do so.
If your key fob is an old smart key, it'll need to be deprogrammed by a locksmith or car dealer. This could cost more than replacing it. Modern key fobs are secured by rolling-code encryption which stops thieves from gaining access to the car. This means that locksmiths must have a special software program which is only available to car manufacturers, which increases the cost.
In the majority of instances, you'll need to pay for the entire service at once, which includes any costs to reprogram the new key fob. Based on the car it could cost anywhere from a mere $20 at some shops to $200 or more at a car dealer.