Key Fob Replacement and Repair
Modern car key fobs are utilized a great deal and are often misused. In most cases, an easy repair or replacement is all that's needed to get them working again.
The majority of fobs are powered by a flat watch-style battery, which can be found in auto parts and hardware stores. Before calling an expert, try some DIY fixes.
Dead Key Fob Batteries
The battery in the key fob's remote powers the remote you have in your car and, in push-to-start vehicles it will start your engine. key car repair is therefore essential to keep a functioning healthy and a good 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 will fix the problem quickly.
The loss of range and signal strength are the most frequent indicators that a battery in a keyfob is failing. You may also find that the buttons on your fob do not work or require extra effort to be activated.
A new key fob is available in the auto parts section of a big retailer or online. Typically, these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. However, it's a good idea to read the owner's manual before you shop for the correct battery for your fob. Certain cars require a specific size or kind of battery that's not always in stock at big-box retailers So, make sure you be aware of the correct specifications before you purchase.
Typically, the battery is located in the back of your key fob. It can be removed by prying open the case with a flat-blade screwdriver. The battery will look like tiny coins and will be labeled according to its size. Be sure to note which way the plus and minus symbols are positioned to ensure that the new battery is positioned correctly. After the battery has been replaced and the fob is closed, gently snap the two pieces of the fob back together and test the buttons.
If your key fob still isn't working after replacing the battery, it may have been deprogrammed. In this instance, you'll need to contact a locksmith for help which will cost a little more than simply replacing the battery in your key fob.
If the battery in your fob is failing or you're experiencing other issues with your fob's key, an experienced mechanic like one from YourMechanic can inspect and repair it to get you back on the road. Make sure you check out all of our services in your area and make an appointment now!
Weak Signals
If you find that your key fob isn't responding as you would expect to the buttons on the remote, this can be an indication of a problem with signaling. Radio signals are used to transmit information between your car and the key fob. Inconsistent or weak radio signals can cause poor performance and a limited range.
One of the first things you should examine is whether your fob's battery is low since this can greatly affect the sensitivity of your signal. 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 your manufacturer's support line is the best source of information.

Other factors can cause weak fob signals, such as interference from other devices operating on the same frequency as your key fob. Power lines and other key fobs wireless communication devices, and even cell networks can disrupt the RF (radio frequency) signals that your key fob uses to connect to the receiver in your vehicle.
Additionally physical damage to your key fob can also interfere with the transmission of signals RF, which could result in a decrease in range and performance. A blown fuse, a damaged or cracked button, or a bent fob case can all affect the transmission of signals, causing the remote to fail to respond.
You can solve the issue by resetting the settings on your fob or by replacing the battery. If your fob is old and worn out, it might be the right time to replace it.
Don't forget to make use of the spare remote that came with your car if your primary remote starts to fail. It's worth trying this solution to see if it can solve the issue before you invest in the new one. If not, it might be the best moment to call an expert auto locksmith. They will be able diagnose the issue and suggest the best course of action.
Physical Damage
It's not unusual for key fobs to have issues from time to time. Luckily, the majority of these issues aren't serious or complex and can be resolved with some simple steps. It's recommended to have spare batteries or an additional fob in case one of your keys stops working.
A dead battery is the most frequent reason why a key fob in a car is not working. key fob repairs depend on tiny lithium-ion coin or button batteries to function. These are easily replaced and are available at most pharmacies, grocery stores and shops that sell electronics. You can open your fob's casing using an screwdriver that has a flat-head and gently pry out the existing battery. Check to see if it's damaged or loose and then put in an alternative battery. Most fobs require batteries with CR2032 capacity. However, yours might require a different kind.
The fob may not be responding to buttons if it loses its connection with your car. This could be due to a number of factors, including changing the batteries, however it is usually easy for an auto Locksmith or your local dealership to resolve.
You can try this trick to fix your fob in the event that none of the above methods work: Disconnect the battery from both the car and the fob for about 10 minutes, and then reconnect them in the reverse order. This can force a restart within the system and, in some instances this will fix the issue without having to do any of the other steps.
Keep the fob out of water or other sources of harm while you're playing around. The fob is quite durable, but it's important to take care with it in order for it to last as long as possible.
If the above troubleshooting tips do not help, it may be time to replace your key fob. If it's been dropped or trampled upon, or exposed to extreme conditions, it might not be repairable and may require a replacement. Find the best deal.
Lost Fob
Even with the best of care keys for cars, they may fail to function. It can be expensive to replace yours if you lose it particularly if you do not have an alternative. "You may end up spending $50 or more to purchase an alternative from the dealer and then have it programmed, plus an additional mechanical backup which will cost at most another $100," says Mel Yu, an automotive analyst with Consumer Reports.
One of the most frequent reasons for a key fob's device to stop working is a simple issue, like an insufficient battery. You can try changing the battery yourself if you know how or consult your owner's manual. If that doesn't solve the issue, it's time to get help from an expert.
A locksmith can help to find or replace your lost key fob. A locksmith will likely know why your fob stopped functioning in the first in the first place. If your vehicle is an older model that has no built-in smart technology, you can save some cash by locating the key number plate on your current mechanical backup key (it's typically hidden behind a keychain ornament with a decorative design) and storing it in a secure location, such as your wallet or on your phone. If you need to reprogram the key fob in your car, the locksmith can do it much more quickly.
If the key fob you have is a smart key of the present, you'll have to visit a car dealership or locksmith to deprogram it before getting a new one made and this can be more expensive than replacing it. The reason is that modern key fobs employ rolling-code encryption that prevents thieves from getting into the car. This means that the locksmith must have a special programing tool that is available only to the car manufacturer, which increases the cost.
In the majority of cases, the whole service will be billed at one time. This includes any costs for reprogramming a keyfob. This could range from around $20 in certain stores to over $200 at car dealerships, based on the car.