Key Fob Replacement and Repair
Modern car key fobs are used often and are often misused. Often a simple repair or replacement is all you need to make them work again.
Most fobs utilize flat-watch-style batteries that are easy to find in hardware stores and auto parts retailers. Before calling in an expert, try a few DIY fixes.
Dead Key Fob Battery
The battery in the key fob powers the remote function in your car. It also, in conjunction with push-to-start vehicles it allows it to start your engine. This is why it is crucial to maintain an active, healthy battery. A dead key fob is an issue for anyone in the middle of nowhere. A simple, low-cost replacement will fix the problem quickly.
The most obvious sign that a battery on a key fob is failing is the loss of signal strength and range. You might also find that the buttons on your fob do not work or require extra effort to be activated.
A new key fob can be found in the auto part section of a big retailer or online. They are typically CR2032 and CR2025 and are available in packs of 2 or more. Check out the owner's manual before you shop for the right battery. Some cars require a particular size or type of battery that's not always readily available at big-box stores Be sure to be aware of the correct specifications before you purchase.
The battery is usually found on the back of the key fob. It can be removed with the flat-bladed screwdriver, by opening the case. It will usually resemble an ordinary coin and will be labeled with the battery size. Make sure to note the orientation of the plus and minus symbols in order to place the new battery properly. 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 when your key fob is unable to not function even after battery replacement, it might have been deprogrammed. In this instance you will require a locksmith needed to help you. This will cost more than just replacing the battery of your key fob.
Whether your fob battery is dying or you're having other issues with your fob's battery, an experienced mechanic like one from YourMechanic can examine and fix it to get you back on the road. Make an appointment to look over the range of services we provide in your local area.
Weak Signals
If your key fob isn't able to respond to the buttons of the remote it could be a sign that the signaling is not functioning correctly. Radio signals are used to communicate between your car and key fob. Inconsistent or weak radio signals can result in poor performance and a limited range.
Checking the battery level of your fob is a good idea, because it could significantly affect signal sensitivity. Resetting the settings of the fob can also help restore a more constant response. The process will vary from vehicle to vehicle. Your owner's guide or a call to the manufacturer's support line is your best source of information.
Other factors, like interference from other devices operating at the same frequency can also affect weak signals. Other key fobs and wireless communication devices could interfere with the RF (radio-frequency) signals that your key fob transmits to the receiver of your vehicle.
Finally physical damage to your key fob can affect the transmission of RF signals which may result in poor performance and range. A damaged or blown fuse, a broken or cracked buttons or bent fob case can interfere with the transmission of signals, causing the remote to not respond.
You can fix the problem by resetting the settings on your fob, or by replacing the battery. If, however, your fob is old and damaged, it's time to replace it altogether.
Lastly, don't forget that if you have an extra key fob that comes with your vehicle, it could be used as a replacement for the primary remote in the event that it begins to fail. It's worth trying this option to determine if it resolves the issue before you invest in an entirely new one. If not, it might be the best time to contact an experienced auto locksmith. They will be able diagnose the issue and suggest the best course of actions.
Physical Damage
Key fobs can be troublesome 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 a different fob on hand in case your key stops working.
The most common reason for the car key fob not working is an inactive battery. These tiny devices depend on tiny lithium-ion coin or button cell batteries to function. They are easily replaced and can be purchased at most pharmacies and grocery stores. You can remove your fob's case using a screwdriver with a flat head and gently remove the existing battery. Make sure it's not loose or damaged and then put in the new battery. Most fobs require batteries that are CR2032. However, yours may require a different type.
Your fob could also stop responding to buttons after losing its connection to the vehicle. This could be due to a number of factors, such as changing the batteries, but it is usually easy for an auto Locksmith or your local dealership to fix.
You can try this method to solve your fob issue in the event that none of the above methods work: Disconnect the battery from both the fob and the car for around ten minutes, then reconnect them in the opposite order. This could cause the system to restart, and in some instances, this will fix the issue without any other steps.
Keep the fob out of water or other sources of harm while you're experimenting. The fob is quite robust, but it's crucial to treat it with care if you want it to last as long as possible.
If the above troubleshooting tips aren't working, it could be time to think about replacing your key fob. If yours has been dropped or tripped over, or exposed to other environmental hazards, it may be beyond repair and may require an upgrade. If this is the case, you should be sure to look around to find a bargain before making your final choice.
Lost Fob
Even with the best of care it's a fact of the road that car key fobs can occasionally fail to function. It's expensive to replace yours if you lose it and especially when you don't have an alternative. "You might end up paying $50 or more to get an equivalent replacement from the dealer and then have it programmed, and a new mechanical backup which will cost at most another $100," says Mel Yu who is an automotive analyst at Consumer Reports.
A weak battery is one of the most common causes for a keyfob's device to stop working. If you are aware of how to change the battery, or if your owner's manual has instructions, you can attempt it yourself. If that doesn't work, you'll need to call an expert.
A locksmith can assist you to replace or locate your lost key fob. They'll also probably have a good idea of the reason why your fob stopped functioning in the first place. If your vehicle is a model older than the one you own and has no built-in smart technology it is possible to save cash by locating the key number plate that is on your existing mechanical backup key (it's typically hidden behind a decorative keychain) and recording it in a secure location, such as in your wallet or on your phone. If you're in need of reprogramming your car's key fob the locksmith can do it more easily.
If your key fob is an old smart key, it will need to be deprogrammed by a locksmith or car dealer. This could cost more than replacing it. This is because modern key fobs employ rolling-code encryption that prevents thieves from getting into the car. And that means key fob repair near me must have an exclusive programming tool that only the vehicle manufacturer has, which increases the overall cost.
In the majority of cases, you'll need to pay for the entire service at once, including any charges to reprogram the new key fob. Based on the car, that can run from $20 at some stores to $200 or more at a car dealer.