Key Fob Replacement and Repair
Modern car key fobs are utilized often and are often abused. Sometimes an easy replacement or repair is all it takes to restore them to good working order.
Most fobs run on a flat watch-style batteries, which is easily found in auto parts and hardware stores. But before you call an expert, try a few DIY fixes!
Dead Key Fob Batteries
The battery in the key fob powers the remote function in your car. It also, with push-to start vehicles, permits it to start your engine. It is therefore crucial to keep a functioning and healthy battery. When you're on the go and your key fob is not working, it can be a huge problem. A simple, low-cost replacement can fix the issue quickly.
The most common sign that a key fob battery is dying is the decrease in signal strength and range. You might also be noticing that the buttons on your fob don't function or require any effort to turn on.
A new key fob can be found in the auto parts section of a major retailer or online. Typically, they're CR2032 or CR2025 batteries and are available in packs of two or more. However it's best to check your owner's manual before you shop for the correct battery for your fob. Certain cars require a certain size or type of battery, which is not always available at big-box stores. Make linked here to verify before purchasing.
The battery is typically located on the back of the key fob. It can be removed using the flat-bladed screwdriver, by opening the case. The battery will appear like tiny coins and be labeled based on its size. Be sure to note the orientation of the plus and minus marks in order to insert the battery correctly. After the replacement battery is placed in the fob, gently snap both pieces of the fob together. Then test all of the buttons to ensure they work.
If your key fob still isn't working after replacing the battery, it could be deprogrammed. In this situation it is likely that a locksmith will be needed to help you. This will cost more than replacing the battery of your key fob.
Whether your fob battery is failing or you're experiencing other issues with your fob's key, an experienced mechanic like one from YourMechanic can examine and fix it to get you back on the road. Be sure to check out all of our services available in your area and make an appointment now!
Weak Signals
If you find that your key fob isn't responding to buttons on the remote, this could be an indication of a problem with the signaling. Radio signals are used to communicate between your car and key fob. Inconsistent or weak radio signals can cause poor performance and range.
One of the first things to examine is whether your fob's battery is low because this could significantly affect the sensitivity of the signal. Resetting the settings on the fob can also help restore a more constant response. The procedure differs from vehicle to vehicle, so the owner's manual or call to the helpline of the manufacturer is probably the best guide here.
Other factors can contribute to weak fob signals, for example, interference from other devices operating at the same frequency as your key fob. Power lines and 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.
Finally physical damage to your key fob can also interfere with the transmission of RF signals which may result in poor performance and range. A blown fuse, a broken or cracked button or a bent case of the fob may all affect the signal transmission and cause the remote to not to respond.
You can attempt to solve the issue by resetting your fob's settings, or by replacing the battery. If your fob is worn out, it's the time to replace it all over again.
Don't forget to remember that if you have a spare key fob that is included with your vehicle, it can be used as a replacement for the primary remote in case it starts to fail. You should test this option first to see if it can fix the problem before buying another remote. If not, this might be the perfect moment to call a professional auto locksmith. They can identify the issue and recommend the best way to proceed.
Physical Damage
Key fobs may have issues occasionally. Fortunately, most of these problems are not difficult or complicated and can be resolved with some simple steps. It's important to have spare batteries or another key fob in the event that one of your keys ever fails to work.
A dead battery is the main cause of a car keyfob not working. These tiny devices are powered by lithium-ion button or coin cell batteries. These batteries are easily replaceable and can be found at most pharmacies and grocery stores. You can remove your fob's casing using a flat head screwdriver and gently pry out the battery. Check to see if it's loose or damaged and then simply pop in the new battery. Most fobs require batteries that are CR2032. However, yours might require a different type.
Your fob might also stop responding to buttons when it loses its connection to the car. This could be due to a variety of factors, such as changing the batteries. However, an auto Locksmith or local dealership is usually able to solve the issue.
If none of the strategies above work, you can try this trick: disconnect the battery from the car and fob for a few minutes and then reconnect them 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.
Keep the fob away from water or other sources of damage while you are experimenting. The fob is a durable device but you need to treat it with care to ensure it lasts for as long as it is possible to.
If the above troubleshooting tips don't help, it might be time to replace your key fob. If it's been dropped, trampled on or exposed to harsh environmental conditions, it may not be able to be repaired and will need an upgrade. If this is the case, you should be sure to look around to find a bargain before making a final decision.
Lost Fob
Even with the best of care it's a fact in life that car key fobs may sometimes cease to function. It's expensive to replace yours when it is lost, especially in the event that you don't have an extra. "You could end up paying between $50 and $100 for a replacement and getting it programmed by the dealer, as well as a mechanical backup that will cost another $100," says Mel Yu an automotive analyst at Consumer Reports.
One of the most frequent reasons for a key fob's device to stop working is a basic issue, such as a weak battery. If you are familiar with how to replace the battery, or if your owner's guide has instructions, you can attempt it yourself. If that doesn't work you'll need to contact an expert.
A locksmith will be capable of helping you locate the lost fob or have it replaced. A locksmith will probably know the reason your fob stopped working in the first in the first place. And if your vehicle is an older model that has no smart technology built-in You can save money by finding the key number plate that is on your existing mechanical backup key (it's usually hidden behind a decorative keychain ornament) and recording it in a safe place--such as your wallet or on your phone. This will make it much easier for the locksmith to reprogram a brand new key fob for your car if you ever require it.
If your key fob is an old smart key, it'll need to be deprogrammed by a locksmith or car dealer. This can cost more than replacing it. Modern key fobs are protected by rolling-code encryption which stops thieves from getting access to your car. This means that the locksmith must use a special programming tool that is available only to car manufacturers, which can increase the cost.
In the majority of instances, you'll need to pay for the entire service at once, including the cost of programming a new key fob. Depending on the vehicle, that can run from $20 at some stores to $200 or more at a car dealership.