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

Some are programmed by locksmiths, however others require sophisticated software that most dealerships do not have. You can find the instructions in your owner's guide or by contacting a local expert.

Transponder Keys

Transponder keys (also called chip keys) comprise an electronic microchip embedded in the plastic head of your car key. The antenna ring of the ignition lock transmits signals from the key to the computer system in your car when you insert it into the ignition. The chip inside your car detects the signal and responds with an identification code verifying that the key is the correct one for the vehicle. The car won't start without this response.

This is a relatively new type of anti-theft technology and it has proven effective at deterring theft. Modern cars are equipped with transponder chips.

The key with a chip is typically thicker than traditional flat metal keys, and will emit an electric signal with more power when it's inserted into an ignition cylinder. You can test the chip by wrapping a few layers tin foil around the plastic part of the key, and then trying to start the car. If the key does not work, then it's likely to have an transponder.

Most transponder keys also contain batteries that provide the power to operate the chip. However, the battery could be damaged over time, causing the chip to stop functioning. This will cause your key to not longer activate the immobilizer or turn the ignition key repair near me. If you have a transponder key it is crucial to get the battery replaced as soon as possible.

Transponder chips are not as easy to duplicate as an ordinary mechanical key, so getting an entirely new key can be costly. You should visit the locksmith instead of your car key lock repair near me dealer for this service. Locksmiths in your area have the tools and expertise to program a transponder key properly for your vehicle.

Certain transponder keys can be programmed on-board, however this procedure is typically more complex and requires a higher level of understanding about the security system of your vehicle. You could try this yourself if you own the proper equipment, but this isn't recommended and could result in a corruption of the information on your car's chip.

Switchblade Keys

Car keys of the past are no longer the simple metal objects they once were. Key fobs today have extra layers of security that prevent unauthorized users to open or unlock your vehicle. Understanding how different types of keys work can help you make educated decisions regarding key fob replacements or upgrades.

Traditional car keys feature an all-metal blade that works mechanically by inserting into the ignition cylinder, then opening the doors. They are not able to communicate with the computer in the car, unlike transponder keys. These kinds of keys are still used in certain vehicles, especially older models. They are reasonably cheap to replace should they are lost, but they are less secure than modern keys.

In the 1990s, automakers began using transponder key that communicates with a sensor on the car's ignition. They are a more secure option since they require the car to be within range of the sensor for the engine to begin. This kind of key is also more difficult to duplicate because it has a distinct laser cut on both sides. These keys are commonly referred to as "flip key" or "transponder keys." Certain car brands also use the same cylindrical design of keys, called the Tibbe key which is harder to replicate.

The majority of modern cars come with keys that are able to combine a traditional car key and remote control. It resembles an ordinary key, with buttons that open doors, shut windows and to activate alarms. Some also include an electronic key that folds into the fob, resembling an actual switchblade. If you lose this kind of key, you'll need to visit a dealership to purchase a new one and have it electronically connected with your car.

An auto locksmith is the most affordable option to replace a lost key. You can have a new key created and programmed in a matter of minutes. The cost is significantly cheaper than a dealership, but may take longer if they need to purchase the key for your specific vehicle. If you're not in a rush and don't want to pay the additional money roadside assistance, or your car insurance provider can help you.

Key Fobs

Since their introduction in 1990 Key fobs have become an integral part of cars. These tiny devices can do more than just unlock doors and start cars; they are also significant anti-theft devices. Key fobs utilize radio signals to communicate with the vehicle and perform various functions. When the key fob is pressed, it sends the coded signal to a receiver close to the vehicle's lock system. The receiver interprets the code and then performs the desired action like unlocking the doors or launching the engine. Certain key fobs are capable of performing other functions like activating a panic alarm, or disarming or arming the security system.

The radio frequency (RF), signals used by keyfobs are similar in nature to those used by cell phone. When the key fob is within the range of a receiver it transmits a small burst of energy that energizes copper coils on both sides of the device. The coils convert the RF energy into electrical power, which powers a microcomputer chip in the fob. The computer transmits a digital version of the unique ID number of your car, which is later verified by the receiver.

A lot of newer cars come with remote starters which allow you to push a button on a fob to start the engine. In some instances, you'll still need to insert an actual key into the ignition lock in order to start your car. Most modern fobs come with small, metal keys made to function in the event that the RF system is not working.

If you need an alternative key fob for your vehicle, NAPA Auto Parts has an array of fobs from different brands that work and look as the original. Some of these fobs can be easily programmed at home with an application from the car maker or a third party developer. Other replacement fobs cannot be programmed at a dealership, as they require software and knowledge exclusive to the dealer service department.

Many of the newer key fobs can be used to control other functions in your car remote key fob repair, such as its windows. By pressing a button, you can shut the side-door windows of your vehicle. This is useful if you are shopping in a busy shopping center, and you don't want your vehicle to be left unattended.

Trunk Lever Cylinder Locks

Over time the cylinder locks on trunk levers may collect road grit, dirt or corrosion. This can cause a problem due to the fact that the lock's internal components are tiny, high-precision parts that require minimal friction to operate. Grit or dirt in the cylinder may cause enough resistance to stop the key from turning when it's being inserted. This can be corrected by spraying a dry fluid into the cylinder (TeflonTM, silicon or graphite). Spray the lubricant into cylinder and then turn the key several times in both directions. The lock should be free of debris and turnable with the key.

If the trunk still won't open, the cylinder could be damaged and need to be replaced. Locksmiths can keyless entry repair your key cylinder and program it to work with the lock. If the cylinder was damaged during a burglary or accident, you may need to replace the entire car key assembly too.

Sometimes, the issue is caused by the actuator for the trunk lock, a switch that controls whether the lock opens when it's activated. A burnt fuse or wiring issue can cause this issue, and it's best to let an expert examine the issue and determine what needs to be addressed.

Instead of the carved keys of the past, most modern vehicles use laser-cut flip keys that are equipped with a transponder chip to activate the ignition system and control other functions on your vehicle. Key fobs can also be used to open the trunk and glovebox as well as the rear hatch. These key systems are more sophisticated and are difficult to repair than their predecessors.

If your key fob functions fine, but the trunk or another lock isn't working it's recommended to get out of the car and contact an automotive locksmith. They can determine the issue. A locksmith with the right skills can quickly reprogram the key fob to ensure it functions with a different lock, and remove any obstructions to the pins or tumblers within the lock, or disassemble the car lock and then replace the cylinder.