Key Fob Replacement and Repair
Key fobs on modern cars do a lot of work and are subject to an awful amount of abuse. In many cases an easy repair or replacement is all that's required to restore them to good working in good condition.
Most fobs use flat-watch-style batteries that are readily available in hardware stores and auto parts retailers. However, before calling an expert, you can try a few DIY solutions!
Dead Key Fob Batteries
The battery in the key fob's remote powers your remote in your car and in push-to start cars, it can start your engine. This is why it is essential to keep an efficient, functioning battery. When you're out and about, a dead key fob could be a major issue. The good news is that a simple, affordable replacement can fix it quickly.
The loss of range and signal strength are among the most frequent indicators that a battery in a keyfob is failing. It is also possible to notice that the buttons on your fob do not function or require any effort to turn on.
You can often find the latest key fob batteries in the auto parts section of a big box retailer or online. Typically, they are CR2032 or CR2025 batteries that are sold in packs of two or more. However, it's a good idea to check your owner's manual before you shop for the right battery for your vehicle. Some cars require a particular size or type of battery that isn't always in stock at big-box retailers, so be sure to know the right specs before you purchase.
The battery is usually located on the back of the key fob. It can be removed with the flat-bladed screwdriver, by opening the case. It is likely to look like a small coin and be marked with the battery's size. Be sure to note the orientation of the plus and minus symbols to ensure that you insert the battery correctly. Once the battery replacement is installed, gently snap the two pieces of the fob together and test all of the buttons to ensure that they work.
It's important to note that in the event that your key fob continues to cease functioning even after battery replacement, it may be deprogrammed. In this situation it is likely that a locksmith will be required to assist you. This will cost more than just replacing the battery in the 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 check and repair it to get you back on the road. Be sure to check out the range of services we offer in your area and schedule 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 signaling. Radio signals are used to send messages between your car and key fob. Weak or inconsistent radio signals can lead to low performance and limited range.
One of the first things you should examine is whether your fob's battery is insufficient because this could significantly affect the sensitivity of your signal. Resetting the settings on the fob can also help restore a more constant response. The process varies from vehicle to vehicle, so the owner's manual or a phone call to the help line of the manufacturer is probably the best source of information here.
Other factors can cause weak fob signals, such as interference from other devices operating on the same frequency as your key fob. Power lines as well as other key fobs, wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob uses to connect to the receiver in your vehicle.
The physical damage to your keyfob can also interfere with the transmission of radio signal, which can result in lower performance and less range. A blown fuse, a damaged or cracked button or a bent case can interfere with the transmission of signals, causing the remote to fail to respond.
You can attempt to resolve the issue by resetting the fob's settings or by replacing the battery. However, if your fob is old and damaged, it's time to replace it completely.
Also, don't forget if you have an extra key fob which comes with your vehicle, this can be used as a replacement for the primary remote if it begins to fail. It's worth trying this solution to see if it can solve the issue prior to investing in the new one. In this case, it might be an appropriate time to consult an expert auto-locksmith. They'll be able to identify the issue and suggest the best solution.
Physical Damage
It's not uncommon for key fobs to experience problems from time to time. Most of the time, these issues are not complex or serious and can be resolved by following a few easy steps. It's important to keep spare batteries or another fob available in case one of your keys ever ceases to function.
The most common reason for the car key fob not working is a dead battery. These little devices depend on tiny lithium-ion coin or button batteries to function. They are easily replaced and can be purchased in most pharmacies and stores. You can open your fob's shell with a flat head screwdriver and gently remove the battery. Replace the battery, making sure it's not damaged, loose or damaged. Most fobs use CR2032 batteries. However, yours might require an alternative kind.
If your device loses pairing, it can cease to respond to buttons. This could be due to a number of reasons, including changing the batteries, but is usually easy to get an auto Locksmith or your local dealer to resolve.
Try repair car key to fix your fob when none of the other methods work: Disconnect the battery from both the fob and the car for around ten minutes, then reconnect them in the opposite order. This can force a restart within the system, and in some cases it will solve the issue without having to do any of the other steps.
Keep the fob away from water or other sources of damage while you are trying out new techniques. The fob is quite durable, but it's important to treat it with care when you want it to last as long as possible.
If the above troubleshooting suggestions do not help, it may be time to think about replacing your key fob. If it's been dropped, trampled on or exposed to extreme environmental conditions, it may not be repairable and will require an upgrade. If this is the case, be sure to look around to find a bargain before making your final decision.
Lost Fob
Even with the best care it's a fact in life that car key fobs can occasionally cease to function. If you lose yours, it could be very expensive to replace it--especially when you don't have a spare. "You may end up paying between $50 and $100 for a new one and having it programmed by a dealer, as well as a mechanical backup that will cost another $100," says Mel Yu an automotive analyst at Consumer Reports.
A weak battery is one of the most frequent reasons for a keyfob's stop working. If you know how to replace the battery, or if the owner's guide has instructions, you can attempt it yourself. If that doesn't work you'll need to call an expert.
A locksmith is capable of helping you locate the lost fob or have it replaced. They will also likely have a good idea of the reason why your fob stopped functioning in the first place. If your vehicle is an older model that has no built-in smart technology You can save money by finding the key number plate on your existing mechanical backup key (it's usually hidden behind a decorative keychain ornament) and storing it in a secure place, such as your wallet or on your phone. This will make it easier for the locksmith to reprogram a new key fob to your car in the event that you need to do so.
If your key fob is an older smart key, it'll need to be deprogrammed by a locksmith or dealer. repair car key can cost more than replacing it. Modern key fobs are secured by encryption using rolling-codes that prevents thieves from getting access to your car. This means that locksmiths need an exclusive programming tool that only the vehicle manufacturer is equipped with, which adds to the overall expense.
In most instances, the entire service will be charged at once. This includes any charges for reprogramming a new keyfob. This could range from around $20 in certain stores to over $200 at car dealerships, based on the vehicle.