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Modern car keys aren't the basic pieces of metal you can cut at a self-service kiosk. They're advanced electronic devices that require special programming in order to work with your car's security system.

Locksmiths can program some however, advanced programming tools are required by many dealerships. You can find the instructions in your owner's guide or by contacting a local specialist.

Transponder Keys

Transponder keys, also known as chip keys, have an embedded electronic microchip in the head of plastic. The antenna ring of the ignition lock transmits a signal from the key to the computer system in your car when you insert it into the ignition. The chip inside your car is able to receive the signal and responds with an identification code, confirming that the key is the right one for the vehicle. The car will not start unless this response is received.

This is a relatively new type of anti-theft technology, but it has proven to be effective in deterring theft. Modern cars are equipped with transponder chips.

The key that has the chip is typically thicker than a conventional flat metal key, and it will emit more electrical signals when inserted into the cylinder. You can test your chip by wrapping a few sheets of thin aluminum foil over the plastic part of the key, and then trying to start your car. If it fails the key may have a transponder inside.

The majority of transponder keys include a battery to provide power to the chip. However, the battery could fail over time, causing the chip to cease functioning. This will cause your key to no longer activate the immobilizer or turn off the ignition. If you own transponder keys it is essential to replace the battery as soon as you can.

Transponder chips are more difficult to duplicate than a mechanical key. This means that the replacement key is likely to be expensive. It is recommended that you go to the local locksmith instead of the car dealership to get this service. Local locksmiths are more likely have the tools and knowledge required to properly program the new transponder keys for your vehicle.

Certain transponder keys are programmed onboard, Job however this procedure is typically more complicated and requires a higher level of knowledge about the security system of your vehicle. You can attempt to do this yourself if you have the right equipment, however this is not recommended and could cause damage to the information stored on your car's chip.

Switchblade Keys

Car keys have evolved well beyond the basic metal tools of yesteryear. Now key fobs come with additional security layers built in that prevent non-authorized users from opening or locking your vehicle. Understanding how the various types of car keys work will help you make informed decisions when changing or upgrading your key fob.

The traditional car key has a metal blade that operates mechanically by inserting it into the ignition door cylinder to open it. Unlike transponder keys, they don't communicate with the car's computer. These kinds of keys are still found in some cars, especially older models. They are inexpensive to replace, but they are less secure than the modern alternatives.

In the 1990s, automakers began using transponder keys that communicates with a sensor on the ignition of the car. They are a more secure option due to the fact that they require the car to be within range of the sensor in order for the engine to begin. This key is more difficult to duplicate, as both sides are laser-cut. These keys are commonly known as "flip key" or "transponder keys." Some car brands also use the same cylindrical design of keys known as a Tibbe key that is more difficult to duplicate.

Modern cars come with key fob repair service fobs that combine the traditional car key with the ability to control a remote. It appears like a key with buttons to open doors, lower windows and turn on alarms. Some keys come with a spring-loaded switchblade-like key that folds into an accessory. If you lose the key, you will need to visit the dealer to purchase a replacement and then have it electronically connected to your car.

An auto locksmith is the most affordable option to replace a key. You can have a new key and program it right away. The cost will be significantly lower than at a dealer, but it may take longer if the key needs to be ordered for your vehicle. If you're not in a rush and don't want to spend the extra cash roadside assistance, or your insurance provider can help.

Key Fobs

Since their introduction in the year 1990 the key fob has become an integral part of cars. These small devices are more than just the ability to open doors and start the vehicle. They also serve as a major deterrent to theft. Key fobs are able to communicate with vehicles and perform different functions using radio signals. When the key fob is pulled, it sends the coded signal to a receiver near the lock system of the vehicle. The receiver interprets the code and performs the requested action, such as unlocking the doors or starting the engine. Some key fobs are capable controlling other functions, such as activating a panic alarm, or disarming or arming the security system.

The radio frequency (RF) signals utilized by key fobs are the same as those utilized by cell phones. When the key fob is within the range of a receiver it transmits a small burst of energy that energizes copper coils located on both sides of the device. The coils convert the energy of the RF into electricity, supplying power to a microcomputer chip inside the fob. The computer transmits a digital version of the unique ID number of your car which is then verified by the receiver.

Many newer cars are equipped with remote starters that allow you to press an electronic fob to start the engine. In certain instances, you'll still need to insert a physical key into the ignition lock in order to start your car. The latest fobs are also equipped with a tiny metal key that's designed to work in the event that the RF system fails.

NAPA Auto Parts offers a variety of key fobs that can be used with your vehicle. They are available in various brands and look exactly the same as the original. Some fobs can be programmed at home with an application available from the manufacturer of the car or a third-party developer. Some replacement fobs are only programmed by a dealer since they require specialized software and technical expertise.

The majority of modern key fobs also have the ability to remotely control your vehicle's other features, such as the windows. By pressing a button, you can open the sliding side-door window of your car. This is useful when you're shopping at a busy mall, and you don't want your vehicle to be left unattended.

Trunk Lever Cylinder Locks

Over time the cylinder locks for trunk levers can accumulate dirt, road grit or even corrosion. This can lead to a problem due to the fact that the lock's internal components are tiny, high-precision parts that require only minimal friction to function. Dirt or grit can cause the cylinder to become so clogged that the key will not turn when it is inserted. This can be corrected by spraying dry fluid into the cylinder (TeflonTM silicon, graphite or TeflonTM). Spray the lubricant in the cylinder and then turn the key several times in both directions. The lock should now be free of debris and able to turn with the key.

If the trunk still won't open, the cylinder might be damaged and must be replaced. A locksmith can repair the cylinder and reprogram your car key to work with the new lock. If the cylinder has been damaged in a break-in or an accident, then you may also need to replace the car key assembly.

Sometimes, the issue is caused by the actuator for the trunk lock or switch that determines the release of the lock when it is activated. This issue can be caused by an ignited fuse or defective wiring. It is recommended to consult a professional determine what is required to be done.

Unlike the carved metal keys of the past, modern cars use laser-cut flip keys that are equipped with a transponder chip that can activate the ignition system and control other functions of your vehicle. Key fobs can also be used to open the trunk, glovebox or rear hatch. Key systems like these can be more complex and difficult to fix in comparison to their predecessors.

If the key fob works perfectly however your trunk or another lock isn't functioning you should get out of the car and call an automotive locksmith to determine what the problem is. Locksmiths with the right skills can quickly reprogram the key fob to ensure it can work with a different lock, remove any obstructions to the pins or tumblers within the lock, or disassemble the car lock and replace the cylinder.