Key Fob Replacement and Repair
Modern car key fobs are utilized often and are often abused. Sometimes, a simple replacement or repair is all it takes to get them back in working in good condition.
Most fobs utilize flat watch-style batteries, which are easy to find in hardware stores and auto parts stores. But before you call a professional, try a few DIY solutions!
Dead Key Fob Battery
The battery of the key fob powers your car's remote and in push-to start cars, it can start your engine. It is therefore essential to keep a functioning and healthy battery. A dead key fob can be an issue for anyone in the middle of nowhere. A simple, affordable replacement will fix the problem quickly.
The loss of range and signal strength are among the most common indications that a battery on a keyfob is dying. You might also notice that the buttons on your key fob aren't working or require additional effort.
You can often find a new key fob battery in the auto parts section of a big box retailer or online. Typically, they're CR2032 or CR2025 batteries that are available in packs of two or more. Make sure to consult your owner's manual prior to you purchase the correct battery. Certain cars require a specific size or type of battery that's not always in stock at big-box stores Be sure to be aware of the correct specifications before you purchase.
Typically, the battery is located in the back of your key fob. It is removed by tearing open the case with an abrasive screwdriver with a flat blade. The battery will appear like an ordinary coin, and it will be labeled according to its size. Be sure to note which direction the plus and minus symbols are positioned to ensure that the new battery is positioned correctly. After the battery has been replaced, gently snap the two pieces of the fob back together. Then test the buttons.
It's important to note that in the event that your key fob continues to not function even after battery replacement, it could be deprogrammed. In this case you'll have to contact a locksmith for help which will cost a little more than simply replacing the battery in your key fob.
If how to repair car key lock is failing or you're experiencing other issues with your key fob, an experienced mechanic like one from YourMechanic can examine and fix it to get you back on the road. Be sure to check out the range of services we offer in your area and schedule an appointment now!
Weak Signals
If your key fob isn't able to respond to the buttons on the remote it could indicate that the signaling system is not functioning correctly. Your car and key fob depend on radio signals to communicate, and weak or inconsistent signals can result in poor performance and range.
The battery level of your fob is a good idea because it could affect signal sensitivity. Resetting the settings on the fob can also aid in restoring a consistent response. The process will vary from vehicle to vehicle. The owner's guide or a call to the manufacturer's support line is the best resource.
Other factors can cause weak fob signals, for example, interference from other devices operating at the same frequency as your key fob. Power lines as well as other key fobs, wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle.
Furthermore physical damage to your key fob may also interfere with the transmission of RF signals, which may result in poor range and performance. A damaged or blown fuse, a broken or cracked buttons or bent fob case can affect the transmission of signals and cause the remote to not respond.
There are a few easy steps you can follow to try and solve the issue of weak signals from your fob, like resetting the fob's settings or replacing the battery. If your fob is old and worn out, it might be the right time to replace it.
Don't forget to make use of the spare remote that was included with your vehicle if your primary remote starts to fail. Try this method first to see if you can fix the problem before purchasing a new remote. In this situation, it might be the right time to contact an expert auto-locksmith. They'll be able to diagnose the problem and recommend the best course of action.
Physical Damage
It's not uncommon for key fobs to have issues from time to time. Luckily, the majority of these problems are not complicated or a major issue and can be resolved with some simple steps. It's also a good idea to keep spare batteries or an additional fob on hand in case your key stops working.
The most frequent cause for car keys not working is an inactive battery. These tiny devices are powered by lithium-ion buttons or coin cell batteries. They can be replaced and are available in most pharmacies and stores. You can remove your fob's shell with a flat head screwdriver and gently remove the battery that is in there. Replace the battery, making sure it's not damaged or loose. Most fobs require CR2032 batteries. However, yours may require a different kind.
Your fob could not be responding to buttons when it loses its connection with your car. This can happen due to a number of factors, such as changing the batteries, but is usually easy to get an auto Locksmith or your local dealer to resolve.
If none of the methods above work, you can try this trick: unplug the batteries from the car and the fob for a short period of time, then reconnect the two in the opposite order. This can force a restart within the system, and in some cases it will solve the problem without doing any of the other steps.
Keep the fob clear of water or other sources of damage while you are trying out new techniques. The fob is quite durable, but it's important to treat it with care in order for it to last as long as it can.
If all of the above troubleshooting tips do not help, it may be time to think about replacing your key fob. If it's been thrown, trampled on or exposed to extreme conditions, it might not be repairable and will require an upgrade. Find the best deal.
Lost Fob
Even with the best care it's a fact of the road that car key fobs may sometimes fail to function. If you lose yours it could be very expensive to replace it, particularly when you don't have a spare. "You might end up paying $50 or more to purchase an alternative from the dealer and have it programmed, plus a new mechanical backup which will cost at most another $100," says Mel Yu, an automotive analyst with Consumer Reports.
A weak battery is among the most frequent reasons for a keyfob's device to cease to function. You can try changing the battery on your own if you know how or get instructions from your owner's manual. If this doesn't work, you'll need to call an expert.
A locksmith is capable of helping you locate your lost fob, or get it replaced. They'll also have an idea of the reason why your fob stopped functioning in the first place. If your car is a model older than the one you own and has no smart technology built-in, you can save some money by finding the key number plate on your existing mechanical backup key (it's usually hidden behind a decorative keychain ornament) and storing it in a secure location, such as your wallet or on your phone. If you're in need of reprogramming the key fob in your car, the locksmith can do it more easily.
If your key fob is an old smart key, it'll have to be deprogrammed by a locksmith or car dealer. This can cost more than just replacing it. This is because modern key fobs employ rolling-code encryption to prevent thieves from accessing the car. This means that the locksmith must have an exclusive programming tool that only the car manufacturer has, which increases the overall expense.
In most cases, the whole service will be charged at one time. This includes any costs for reprogramming a keyfob. Depending on the type of vehicle the cost can range from a mere $20 at some shops to $200 or more at a car dealer.