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7 Things You've Never Knew About Remote Car Key Repair
Car Key Replacement Services

If your car's key fob remote stops working it can be frustrating and inconvenient. Most locksmiths and dealers in the automotive industry offer car key replacements that can bring your key back to its original working condition.

Before you rush to the dealership or a locksmith professional, try a few simple steps at home first.

Lost or Stolen Keys

It doesn't matter if lost it or left it on the counter in the grocery store. Most of these problems are easily fixable by you, even if there's no need for a professional. You might require replacing the battery, or the fob could have lost its pairing details -- both of which can be easily fixed.

Modern cars use remote control keys which communicate with the vehicle using the radio frequency of a specific. When the fob is working it transmits the signal that allows you to lock and unlock your car remotely, as well as starting the engine. The fob itself isn't a mechanical key, so you can't simply get it cut at an hardware store and use it to open your car. The latest fobs come with transponders that must be programmed for your vehicle to make keyless entry work.

The most common issue with car fobs is when it fails to connect with the vehicle. This can occur if the battery goes dead or if there's a power failure. Check the owner's manual for instructions. Although most modern vehicles can be reset and restore the pairing, you can also consult the manual. If reseting your fob doesn't fix the issue, you'll need to have it changed to a different program. This typically requires the assistance of an automotive locksmith or dealer.

It's costly to purchase a new key fob, and it may take a while for a retailer to order it and program it. Some car insurance policies will cover the cost of replacing a fob, but if yours doesn't it's not a bad idea to get in touch with the car's manufacturer or a locksmith in your area to inquire about replacing the fob. They are often able to duplicate a key in a matter of minutes and save you the expense and hassle of towing a truck. A locksmith can also give you a new, working key and also replace your old transponder chip. This requires that the receiver module of your vehicle be synced.

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While modern car remotes are very practical and offer a safer method of starting your car but they can be frustrating when they stop working. This is usually a problem that can be fixed by replacing the battery on the key fob.


The batteries that power the majority of modern remote key fobs are coin cells made of lithium ion. These are fairly cheap and don't have any limits in time, however they do have a limit to how long they will last. The battery of a remote key may be more worn than normal if frequently used. This could happen if the battery is pushed or pressed too hard, or exposed to moisture which can cause corrosion.

The most common reason for a car key to not function properly is a worn-out or dead battery. If your remote key isn't working, you must check this first. This can often resolve the problem. If not, you might need to replace the battery.

A battery will usually be poor because of oxidation or corrosion. It could also give off acidic fumes or leaking acid from the battery, which could result in poor connections between the terminals of the battery. It can be fixed by taking the old battery out and cleaning all contacts with a solution made of baking soda and water. After cleaning the connectors you can solder them back in place and test the remote.

While you are checking a dead or dying battery, it is also good to determine whether any buttons are no longer functioning. This could be an indication of a larger issue with your remote. It is recommended to consult a professional for repair. A specialist can tell you if the remote is repairable or if it requires replacement completely. They can do this on the spot using an onboard procedure or connect to your vehicle's OBD2 port to program the new key fob in an efficient and safe way.

Bad Transponder Chip

The chip inside your car key transmits a unique code to your vehicle's computer, just like the remote control for your garage door sends signals to its receiver to shut or open it. The car is informed that it is the right owner and prevents anyone from starting the engine without authorization.

One of the first signs that your transponder chip has gone bad is when you attempt to start your car but it fails to start. This could be for various reasons but is usually an indication that you require an entirely new key.

Another sign that a transponder chip gone bad is when your car won't lock with the key fob. If this happens, you'll have to lock manually your doors instead. This can be frustrating and unsettling, especially if you are already locked out of your car.

The transponder may cease to function if the battery in the fob's battery is depleted. As time passes, the fob battery will gradually lose charge. Always keep a spare key fob on hand so you can recharge the battery when required.

There are several other problems that can occur with the chip of a car's transponder, but the ones listed above are the most prevalent. Contact an auto locksmith as fast as possible when your key fob's power source is dead or if the chip that controls transponder has become defective. They can reprogram the key or replace it completely, depending on what's needed. A Queen Creek auto locksmith will be able to determine the problem for you and offer a solution that is reliable. They will generally be more affordable than taking your car to an auto dealer.

Pairings that are corrupted or lost

It's not unusual for the car remote to lose its functionality in time. There are a few quick solutions you can attempt to get your remote back to working.

It is recommended to first lock and unlock the car with an extra key. This will allow you to be sure that your fob isn't the issue and will also help to rule out a mechanical problem with the locks if it turns out to be an electrical one.

Batteries are often all you need to fix car key fobs. Replacing the batteries isn't expensive, and you can usually do it yourself with no professional equipment.

It is crucial to select the appropriate type of battery. Most automotive remotes accept CR2025 and CR2032 batteries. However, some might utilize different types. If you're not certain of the type of battery your remote uses it is possible to check the label or look inside. The battery will have a code printed or stamped on it. You can also use a multimeter in order to determine the voltage.

A different set of batteries may also be utilized. The batteries inside a remote can wear out or corrode over time. Replacing them can help restore the functionality of the remote.

If the battery change isn't working, you can clean your fob, and make sure that all the buttons are functioning. The car key fobs are not indestructible and may become dirty if they're used in pockets or purses. In some instances, just taking them off and cleaning them and flexing them in and out can get your remote working again.

If you've tried everything on this list and the car key fob not working, you'll probably require it to be reprogrammed by an expert. Grays Locksmiths can do this for you, and can also supply you with a brand-new or a used replacement if you need it.