Key Fob Replacement and Repair
Key fobs on modern cars perform a lot of work and are subject to an awful amount of abuse. Often just a simple repair or replacement is all that's needed to make them functional again.
Most fobs use flat watch-style batteries, which can be found in hardware stores and auto parts retailers. Before you call an expert, you can try a few DIY fixes!
Dead Key Fob Batteries
The key fob battery powers the remote function of your car. It also, with push-to-start vehicles it allows it to start your engine. Therefore, it is essential to keep a healthy, working battery. When you're on the go, a dead key fob can cause a lot of trouble. The good news is that a simple, inexpensive replacement is able to fix the issue quickly.
The loss of range and signal strength are the most common signs that a keyfob battery is dying. You may also be noticing that the buttons on your fob don't function or require any effort to turn on.
A new key fob is available in the auto part section of a big retailer or on the internet. Typically, these batteries are CR2032 and CR2025 and are available in packs of 2 or more. Check out the owner's manual before 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 So, make sure you be aware of the correct specifications before you buy.
The battery is usually found at the back of the key fob. It can be removed using a flat-bladed screwdriver by prying the case open. The battery will look like tiny coins, and it will be identified according to its size. Be sure to note the orientation of the plus and minus marks to ensure that you put the new battery in the correct place. Once the battery replacement is inserted, gently snap both pieces of the fob together. Then test each button to ensure that they work.
If your key fob still isn't working after replacing the battery, it could be deprogrammed. In this scenario, you'll need to contact locksmiths for assistance, which will cost some more than replacing the key fob battery.
YourMechanic's experienced mechanics can repair your key fob in the event that it is damaged or if the battery is dead. Make sure to look over all of our services in your region and book an appointment today!
Weak Signals
If your key fob doesn't respond to the buttons on the remote it could be a sign that the signaling is not working properly. Your car and key fob are dependent on radio signals to communicate, so weak or inconsistent signals can result in poor performance and range.
Examining the battery level of your fob is a good idea as it can have a significant impact on the sensitivity of the signal. It's also worth resetting the settings on your fob that can help get a more consistent response from the car. The procedure will differ from vehicle to vehicle. The owner's manual or a phone 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 cause weak signals. Power lines and other key fobs wireless communication devices, and even cellular networks can interfere with the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle.
Additionally physical damage to your key fob can also interfere with the transmission of RF signals which can result in poor range and performance. A blown fuse, broken or cracked buttons, or a bent fob case can interfere with the transmission of signals, causing the remote to not respond.
You can solve the issue by resetting the settings on your fob, or by replacing the battery. However, if your fob is old and worn out, it's the time to replace it all over again.
Don't forget to utilize the spare remote that came with your car in the event that your primary remote begins to fail. It's a good idea to try this method to see if it can solve the issue before you invest in an entirely new one. In this situation it could be the right an appropriate time to consult a professional auto-locksmith. They can identify the issue and recommend the best course of action.
Physical Damage
Key fobs may have issues at times. Most of the time, these issues are not complex or severe and can be fixed with a few simple steps. It's recommended to have spare batteries or another key fob in the event that one of your keys ever ceases to function.
The most frequent cause for a car key fob not working is a dead battery. These tiny devices are powered by lithium-ion buttons or coin cell batteries. They can be replaced and can be purchased at most pharmacies and grocery stores. You can remove your fob's casing using a screwdriver with a flat head and gently pull out the battery that is in there. Replace the battery, making sure it's not damaged or loose. Most fobs use CR2032 batteries. However, yours may require a different type.
Your fob could also stop responding to the buttons if it loses its connection with your vehicle. This could be due to various reasons like changing the batteries. However, an auto Locksmith or a local dealership is usually able to fix it.
You can try this method to solve your fob issue when none of the other methods work: remove the battery from both the fob and the car for around ten minutes, then reconnect them in a reverse order. This could trigger a restart within the system and in some cases it will solve the issue without requiring any of the other steps.
Keep the fob out of water or other sources of damage while you are experimenting. A fob can be pretty robust, but it's crucial to take care with it if you want it to last as long as you can.
If the above troubleshooting tips don't help, it might be time to think about replacing your key fob. If it's been dropped, trampled on or exposed to extreme conditions, it might not be able to be repaired 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 occasionally fail to function. If you lose yours, it can be extremely expensive to replace it, particularly when you don't have a spare. "You could end up paying $50 or more to get 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 among the most frequent reasons for a keyfob's device to cease to function. Try changing the battery on your own If you are familiar with the procedure or consult the owner's manual. If that doesn't work you'll have to call an expert.
A locksmith can help replace or find the lost key fob. They'll also probably have an idea of why your fob stopped working in the first place. If your car is old and doesn't include smart technology however, you can save money by recording the number plate on your mechanical backup key. It's typically hidden behind a decorative keychain. This will make it easier for a locksmith to reprogram a brand new key fob to your car in the event that you need to do so.
If car key repair service is an old smart key, it'll have to be deprogrammed by a locksmith or dealer. This can cost more than just replacing it. The reason is that modern key fobs employ rolling-code encryption to prevent thieves from getting into the car. This means that locksmiths must use a special programming tool that is only available to car manufacturers, which increases the cost.
In most cases, the whole process will be charged one time. This includes any costs for reprogramming a new keyfob. It can cost anywhere from $20 in some stores to over $200 at car dealerships, depending on the model of vehicle.