Key Fob Replacement and Repair
Modern car key fobs are utilized a great deal and are often misused. In most cases, a simple repair or replacement is all it takes to get them working again.
Most fobs use flat-watch-style batteries that can be found in hardware stores and auto parts retailers. Before you call an expert, try a few DIY fixes!
Dead Key Fob Batteries
The battery in the key fob's remote powers your car's remote, and in push-to-start cars it will start your engine. This is why it is crucial to maintain a healthy, working battery. A dead key fob can be an issue for anyone in the middle of nowhere. A simple, low-cost replacement will fix the problem quickly.
The most common indication that a battery on a key fob is depleting is the loss of signal strength and range. You might also notice that the buttons on your key fob are not working or require more effort.
A new key fob is available in the auto parts section of a big retailer or on the internet. The majority of these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. However, it's a good idea to consult your owner's manual prior to purchasing the correct battery for your device. Certain vehicles require a certain size or kind of battery that's not always readily available at big-box retailers So, make sure you know the right specs before you buy.
Typically, the battery is located in the back of your key fob and is removed by tearing open the case with an abrasive screwdriver with a flat blade. It will usually resemble the shape of a small coin, and be labeled with the battery size. Make sure to note the orientation of the plus and minus marks so that you can put the new battery in the correct place. After the battery has been replaced and the fob is closed, gently snap the two pieces of the fob back together and test the buttons.
It's worth noting that if your key fob continues to cease functioning even after battery replacement, it might have been deprogrammed. In this instance you'll have to contact a locksmith for help and it will cost you a bit more than replacing the battery of your key fob.
If the battery in your fob is dying or you're having 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. Set up an appointment to review all of the services we provide in your region.
Weak Signals
If your key fob does not respond to the buttons on the remote, it could be an indication that the signaling system is not functioning properly. Your car and key fob rely on radio signals to communicate, therefore weak or inconsistant signals can result in poor performance and range.
One of the first things you should examine is whether your fob's battery is low because this could significantly affect the sensitivity of the signal. It is also recommended to reset the fob's settings that can help restore the same response from the car. The process will vary from vehicle to vehicle. Your owner's guide or a call to your manufacturer's support number is your best source of information.
Other factors, like interference from other devices that operate at the same frequency can also contribute to 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.
The physical damage to your keyfob can affect the transmission of RF signal, leading to low performance and a limited range. A blown fuse, a broken or cracked button or a bent case on the fob may affect the transmission of signals and cause the remote to respond.
There are some simple steps you can take to try and fix the problem of weak fob signals for example, resetting the fob's settings or changing the battery. If, however, your fob is damaged, it's the time to replace it all over again.
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 determine if you can resolve the issue before 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 problem and recommend the best way to proceed.
Physical Damage
It's not uncommon for key fobs to experience issues from time-to-time. Luckily, the majority of these issues aren't complicated or a major issue and can be solved with some simple steps. It's also a good idea to keep spare batteries or an additional fob on hand in case your key ever stops working.
A dead battery is the main reason for a car keyfob not working. These little devices depend on tiny lithium-ion button or coin batteries to function. They are easy to replace and can be found in most pharmacies, grocery stores, and other places that sell electronic products. You can open the case of the fob using a screwdriver with a flat head, and gently pry out your existing battery. Replace the battery, making sure it's not damaged or loose. Most fobs require batteries with CR2032 capacity. However, yours may require a different kind.
If your device loses pairing, it can stop responding to buttons. This can happen due to a number of factors, such as changing the batteries, but it is typically a simple issue to get an auto Locksmith or your local dealership to fix.
If none of the strategies above work, you can try this trick: unplug the batteries from the car and the fob for a few minutes, then reconnect the two in the opposite order. This can force a restart within the system, and in some cases this will fix the problem without doing any of the other steps.
When you're playing around with the fob, ensure to keep it out of water and other potential sources of damage. A fob can be pretty sturdy, but you need to treat it with care when you want it to last as long as possible.
If none of the troubleshooting procedures above work you, it may be necessary to replace your key fob. If it's been thrown around or tripped on, or subjected to other harsh environmental conditions it may be beyond repair and may require a replacement. If this is the case, make sure to search for a deal before making your final decision.
Lost Fob
Even with the best care keys for cars, they may fail to function. If you lose yours, it could be a huge expense to replace it--especially if you don't have a spare. "You may end up spending $50 or more for an alternative from a dealer and get 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 one of the most common reasons for a keyfob's stop working. You can try changing the battery on your own when you know how, or refer to your owner's manual. If that doesn't work, you'll need to contact an expert.
A locksmith will be capable of helping you locate your lost fob, or get it replaced. A locksmith can probably tell you the reason your fob stopped working in the first in the first place. If your car is older and doesn't come with smart technology however, you can save money by recording the key's number plate of your mechanical backup key. It's usually hidden behind a decorative keychain. If you're in need of reprogramming the key fob in your car locksmith is able to do it much more quickly.
If your existing key fob is a modern smart key, you'll have to visit a car dealership or locksmith to deprogram it before getting an entirely new one, which can be more expensive than replacing it. This is because modern key fobs use rolling-code encryption that prevents thieves from accessing the car. This means that locksmiths must use a special software program that is only available to the car manufacturer, which increases the cost.
In most cases, the whole process will be charged the same time. This includes any charges for reprogramming a keyfob. remote key repairs could range from around $20 in some stores to over $200 at dealerships for cars, based on the model of vehicle.