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8 Tips To Increase Your Remote Car Key Repair Game
Car Key Replacement Services

When your car remote for the key fob stops working, it can be a frustrating and inconvenient. Luckily, most automotive locksmiths and dealerships offer car key replacement services that will get your key back to functioning correctly.

Before rushing to the dealership or a locksmith professional try a few easy steps at home first.

auto key repair near me stolen or lost

It doesn't matter if lost it or left it on the counter at the grocery store. Most of these problems are easily fixable by you, even if you're not an expert. You might require a replacement battery or the fob may be missing its pairing information -- both are easily fixed.

Modern cars are equipped with remote controls that communicate with their vehicle via radio frequency. If your fob is operating it transmits an alert that allows you to lock and unlock your car from a distance and also start the engine. The fob itself isn't a mechanical key that's why you can't get it cut at an hardware store and use it to open your car. The latest fobs come with transponders that must be programmed in your car to make the keyless entry work.

The most common issue with car fobs is when it loses its connection with the vehicle. This could happen if the battery dies, or if there is an issue with the power. While most modern car models have the option to reset the fob and re-establish its pairing, refer to the owner's manual to find instructions. If reseting your fob doesn't solve the issue, then you'll need it changed to a different program. This typically requires the assistance of an automotive locksmith or dealership.

It's expensive to purchase a new key fob and it can take a few days for a dealer to order it and program it. Certain insurance policies cover the cost of replacing a fob however if it doesn't, it's still worth getting in touch with your car's manufacturer or a local locksmith to discuss having the fob replaced. You can save time and money by having a locksmith create an exact copy of the key on-site. A locksmith can also cut keys and replace the transponder chip. The new one will require synchronization with the receiver module of your vehicle.

Bad Battery

While modern car remotes are very convenient and offer a more secure method to start your car, they can still be a hassle when they stop functioning. Luckily, this is something that can be repaired by replacing the battery in the key fob.

The batteries that power the majority of modern remote key fobs are coin cells made of lithium ion. They are fairly inexpensive and do not have any limitations in terms of their lifespan. However they do have a short time. The battery of a remote key could be more worn than normal if used frequently. This is possible when the battery is over-forced or exposed to moisture which could cause corrosion.

A dead or worn out battery is the main cause of a car key not responding correctly. This is the first thing you look into whether your remote key has stopped working. Most of the time, this will fix the problem however, if it doesn't it's time to replace the battery.


The majority of the time, batteries fail due to corrosion or oxidation. It could also give acidic fumes, or leaking acid from the battery. This can cause weak connections between the battery's terminals. This can be repaired by taking the old battery out and cleaning all of the contacts with a solution of baking soda and water. After cleaning the connectors, you can solder them back in place and test the remote.

When you're checking for a dead or dying battery, it is also good to check whether any buttons are no longer functioning. This could be a sign that there is a bigger issue with your remote and you'll have to contact a professional to repair it. A specialist will be able to inform you whether the remote can be repaired or if it needs to be replaced completely. You can either repair it in a single visit by using an onboard process or connect to your vehicle's OBD2 port to program the new key fob in an efficient and secure manner.

Bad Transponder Chip

The chip inside your car key sends an unique code to your vehicle's computer, just like the remote control for your garage door transmits signals to its receiver to allow it to close or open. This informs the car that it is the correct owner and prevents anyone from running the engine without authorization.

If you attempt to start your car and it doesn't start be able to start, it's an indication that your transponder is not working. This could be due to a variety of reasons but is usually an indication that you require a new key.

Another sign that a transponder chip gone bad is when your vehicle won't lock when you use the key fob. If this happens, you'll have to lock manually your doors instead. This can be frustrating particularly if your car is already locked.

If your key fob battery is drained, it could cause the transponder to cease functioning. Over time, the battery will gradually lose its charge. It is always an ideal idea to keep an extra key fob battery in your possession, so that you can replace it as required.

There are many other problems with the transponder chip of automobiles but these are the most prevalent. If your key fob battery is dead, or if the chip has gone bad, it's important to get in touch with an auto locksmith to get the problem fixed quickly. They can reprogram the key, or replace it entirely according to what's required. A Queen Creek auto lockout will be able to determine the issue and offer a reliable solution. Usually, they are more affordable than going to an auto dealer.

Pairings that are lost or damaged

The key fob in your car isn't indestructible and it's not unusual to see them lose function over time. There are a few simple solutions you can try to get your remote working again.

The first thing you should do is try using a backup key to lock and unlock your car. This will confirm that the fob isn't the issue, and will also rule out a mechanical issue with the locks in the case that it proves to be electrical.

Often, car key fobs just need to have their battery replaced. It's not expensive to replace the batteries, and you can usually do it yourself without any professional equipment.

It is essential to choose the right type of battery. The majority of automotive fobs accept CR2025 and CR2032 batteries. However, some utilize different types of batteries. You can look up the label on the remote or take a look inside if not certain. The battery will have a number written or printed on it. You can also utilize a multimeter to determine the voltage.

Another solution is to try a new battery. The batteries inside the remote may be damaged or worn out over time. Replacing them can restore its functionality.

If the battery change doesn't work you can clean the fob, and check that all the buttons are functioning. Key fobs for cars can get quite dirty due to being thrown around in pockets and purses, and they aren't indestructible. In certain cases, removing and cleaning the buttons and bending them in and out can help get your remote working again.

If you have tried all the steps on this list, but your car key fob isn't working, then you probably need it reprogrammed. Grays Locksmiths can do this for you, and they can also provide you with a brand new or used replacement, if needed.

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