Key Fob Replacement and Repair
Key fobs on modern automobiles do a lot of work and are subject to a lot of abuse. In most cases, just a simple repair or replacement is all it takes to make them work again.
Most fobs run on a flat watch-style battery, which can be found in hardware and auto parts stores. But before you call a professional, try a few DIY solutions!
Dead Key Fob Battery
The battery in the key fob powers the remote feature in your car and, with push-to start vehicles, permits it to start your engine. It is therefore crucial to keep a functioning healthy and a good battery. When you're out and about, a dead key fob can cause a lot of trouble. A simple, low-cost replacement can fix the issue quickly.
The most frequent sign that a battery on a key fob is depleting is the decrease in signal strength and range. You might also be noticing that the buttons on your fob don't work or require extra effort to activate.
You can often find an updated key fob battery in the auto parts section of a large box retailer or online. They are typically CR2032 and CR2025 and are available in packs of 2 or more. However, it's a good idea to consult your owner's manual before shopping for the correct battery for your fob. Certain vehicles require a certain size or type of battery that isn't always available at big-box stores So, make sure you be aware of the correct specifications before you buy.
Typically the battery is situated in the back of your key fob and is removed by tearing open the case with a flat-blade screwdriver. The battery will appear like a small coin and will be labeled based on its size. Make sure to note the orientation of the plus and minus symbols so that you can put the new battery in the correct place. After the battery has been replaced, 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 not function even after a battery replacement, it might be deprogrammed. In this situation it is likely that a locksmith will be required to assist you. This is more expensive than replacing the battery in the key fob.
Our skilled mechanics at YourMechanic can repair your key fob if it is damaged or if the battery has failed. Make sure you check out the range of services we offer in your region and book an appointment now!
Weak Signals
If your key fob doesn't respond to the buttons of the remote it could indicate that the signaling isn't functioning properly. Your car and key fob are dependent on radio signals to communicate, therefore weak or inconsistent signals can cause poor performance and range.
One of the first things to check is whether or not the battery of your fob is depleted since this can greatly impact signal sensitivity. It's also advisable to reset the fob's settings and help get a more consistent response from the car. The procedure may differ from vehicle to vehicle. Your owner's guide or a call to the manufacturer's support line is your best resource.
Other factors can contribute to weak fob signals, such as interference from other devices operating at the same frequency as your key fob. Other key fobs as well as wireless communication devices may interfere with the RF (radio-frequency) signals your key fob transmits to connect to the receiver of your vehicle.
Damage to your keyfob's physical structure can affect the transmission of RF signal, which can result in lower performance and less range. A blown fuse, broken or cracked button or a bent case on the fob could all affect the signal transmission and cause the remote not to function properly.
You can fix the problem by resetting your fob's settings or by replacing the battery. If your fob is old and worn, it could be time to replace it.
Don't forget to remember that if you have an extra key fob which is part of your vehicle, it could be used in place of the primary remote in case it starts to fail. It's worth trying this option to see if it solves the issue before investing in the new one. If not, it might be the perfect time to contact an expert auto locksmith. They'll be able to determine the cause and recommend the best method of action.
Physical Damage
It's not uncommon for key fobs to have issues from time to time. Most of these issues are not complex or serious and can be resolved with just a few steps. It's important to have spare batteries or another key fob in the event that one of your keys ever fails to work.
The most frequent cause for car keys 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 in most pharmacies and stores. Open the fob's case with a flat-headed screwdriver, and gently pry out the battery that you have. Replace the battery, making sure it's not damaged, loose or damaged. Most fobs use CR2032 batteries, but yours may require a different type.
The fob may also stop responding to buttons when it loses its connection with your vehicle. This can happen due to a number of factors, such as changing the batteries, however it is typically a simple issue for an auto Locksmith or your local dealership to fix.
If none of the methods above work, try this trick: disconnect the battery from the car and fob for a short period of time, then reconnect the two in reverse order. This could cause the system to reboot, and in some cases it will resolve the issue without any other steps.
Keep the fob clear of water or other sources of harm while you're experimenting. A fob is durable, but you should treat it with care to ensure it lasts for as long as it is possible to.
If none of the troubleshooting steps above help you, it may be necessary 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 may require a replacement. Find the best deal.
Lost Fob
Even with the best of care keys to cars can fail at times. If you lose yours it could be very expensive to replace it, especially when you don't have a spare. "You could end up paying $50 or more for an equivalent replacement from the dealer and have it programmed, plus a new mechanical backup which will cost at least another $100," says Mel Yu an automotive analyst with Consumer Reports.
One of the most common reasons for a key fob's device to not function is a simple issue, like a weak battery. If you know how to change the battery, or if the owner's manual contains instructions, try it yourself. If that doesn't solve the problem, it's time to contact an expert.
A locksmith can help replace or find your lost key fob. A locksmith can probably tell you the reason why your fob stopped working in the first place. And if your car is an older model with no built-in smart technology it is possible to save cash by locating the key number plate on your current mechanical backup key (it's usually hidden behind a decorative keychain ornament) and storing it in a safe place--such as your wallet or on your phone. If you're in need of reprogramming the key fob of your car, the locksmith can do it more easily.
If your existing key fob is a modern smart key it will require a car dealership or locksmith to remove it from the system and have a new one created which is more expensive than simply replacing it. This is because modern key fobs use rolling-code encryption that prevents thieves from gaining access to the car. remote key fob repair means that the locksmith must have an exclusive programing tool that only the vehicle manufacturer has, which adds to the overall cost.
In most instances, you'll need to pay for the entire service at once, which includes any charges to reprogram the new key fob. This could range from around $20 in certain stores to more than $200 at car dealerships, based on the vehicle.