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Modern car keys are not the simple metal pieces you can cut at self-service kiosks. They're sophisticated electronic devices that require specialized programming to work correctly with the security system in your vehicle.
Locksmiths can program some programs, but more sophisticated tools are required by a lot of dealerships. You can find instructions in your owner's manual, or by contacting a local specialist.
Transponder Keys
Transponder keys, also referred to as chip keys, contain an embedded electronic microchip in the plastic head. When you insert the key into the ignition cylinder, it sends a signal to the computer system in your car through an antenna ring located on the lock on the ignition cylinder. The car's computer receives this signal and responds with an identification code. This is a confirmation that the key you are using is the correct one for your car. The car will not start unless this response is received.
This is a relatively new technology for preventing theft but it has proven effective in deterring theft. Transponder chips are present in most modern cars.
The key with the chip is typically thicker than a traditional flat metal key, and will emit a stronger electrical signal when inserted into a engine. You can test the chip by wrapping a few sheets of tin foil around the plastic portion of the mobile key repair, and then trying to start the car. If it fails, the key probably has a transponder in it.
Most transponder keys also have batteries that supply the power required to operate the chip. This battery can break and cause the chip to stop working. When this occurs your key will not turn on the ignition or activate the immobilizer in your car. If you have a transponder key it is crucial to get the battery replaced as soon as you can.
Transponder chips are not as easy to duplicate like a mechanical key, so getting the replacement could be costly. It is recommended to visit an expert locksmith instead of your car dealer to get this service. Local locksmiths are more likely to have the tools and expertise needed to properly program the new transponder key to your car.
Some transponder keys can be programmed on-board, but this process is generally more complicated and requires a greater level of understanding of the security system in your particular vehicle. If you have the proper equipment, you can do it yourself. However, this is not recommended as it may corrupt the information stored on the chip in your car.
Switchblade Keys
Car keys of the past are no longer simple metal objects they were. Key fobs today have extra layers of security that stop unauthorized users from using them to open or unlock your vehicle. Understanding how various types of car keys work helps you make informed choices about key fob replacements or upgrades.
Traditional car keys feature a key blade made of metal that operates mechanically by inserting the ignition cylinder and then opening the doors. Contrary to transponder keys, these keys do not communicate with the car's computer. These types of keys are still used in certain cars, particularly older models. They are inexpensive to replace, but are less secure than the modern alternatives.
In the 1990s, automakers started using transponder keys that communicates with a sensor in the ignition of the car. They are a more secure option because they require that the vehicle be within the range of the sensor in order for the engine to begin. This key is more difficult to replicate, as both sides are laser-cut. These keys are also known as "flip keys" or "transponder key". Some car brands have a similar cylindrical design called a Tibbe Key which is more difficult to duplicate.
The majority of modern cars have keys that combine traditional car keys with remote control. It resembles it's a key that has buttons to open doors, shut windows, and activate alarms. Some keys come with a spring-loaded switchblade-like key that folds into an accessory. If you lose this type of key, you'll have to visit a dealership to purchase a new one and have it electronically paired to your vehicle.
An auto locksmith is the least expensive option to replace a key. You can get a new broken key repair made and programmed right away. The cost will be significantly less than at a dealership, but it may take longer if the key needs to be ordered for your car. If you're not in a hurry and don't need the extra money roadside assistance, or your insurance provider can help.
Key Fobs
Key fobs have been a common automobile feature since their introduction in the 1990s. These tiny devices do more than simply unlock doors and start a car and are also important security measures against theft. Key fobs communicate with vehicles and perform various functions by using radio signals. When a button is pressed on the key fob, it transmits a signal with the unique code to a receiver near the locking system of the vehicle. The receiver reads this code and performs the desired action such as opening doors or even starting the car. Some key fobs can also be used to control other functions, such as activating the car's panic alarm system, or disarming and 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 sends out a tiny amount of energy, which energizes copper coils located on both sides of the device. These coils convert energy from radio waves into electrical power that powers a microcomputer chip in the fob. The computer then sends a digitized version of your car's unique ID number, which is confirmed by the receiver.
Many newer cars are equipped with remote starters that allow you to push a button on a fob to start the engine. In some cases you will still require a physical key into the ignition lock to start your vehicle. The majority of newer fobs come with a small key made of metal that's designed to function in the event that the RF system fails.
NAPA Auto Parts offers a range of key fobs that are compatible with your vehicle. They are available in various brands and look exactly the identical to the original. Some fobs can be programmed at home with an app available from the manufacturer of the car or a third-party developer. Other replacement fobs cannot be programmed at a dealership since they require software and technical knowledge exclusive to the dealer service department.
Many of the newer key fobs can also be used to control other features in your car for example, windows. By pressing a button you can roll down the side-door key repair near me windows of your car. This is useful for shoppers who are in a busy mall, and you don't want your car to be left unattended.
Trunk Lever Cylinder Locks
Over time, the locks on trunk levers may accumulate dirt, road grit or even rust. This can cause a problem because the lock's internal components are small, precise parts that require minimal friction to function. Grit or dirt in the cylinder could cause enough resistance to prevent the key from turning when inserted. This can be fixed by spraying dry lubricant into the cylinder (TeflonTM or graphite, silicon or). Spray the lubricant into the cylinder, then turn the key several times in both directions. The lock should be clean and be able to rotate with the key.
If the trunk is not opening, it could be a sign that the cylinder has been damaged and will need to be replaced. Locksmiths can replace the cylinder and reprogram your car key to work with the new lock. If the cylinder was damaged in a burglary or accident, you may have to replace the entire car key assembly too.
Sometimes, the issue is with the trunk lock actuator or switch that determines whether the lock opens when it's activated. A burned fuse or wiring issue may mimic this problem and it's recommended to have an expert look into the issue to determine what needs to be repaired.
In contrast to the carved metal keys of the past, modern vehicles use laser-cut flip keys that come with a transponder chip that can activate the ignition system and control other functions of your vehicle. The key fob can be used to unlock your trunk, glove box or rear hatch. Key systems like these can be more complex and difficult to fix as compared to their predecessors.
If your key fob functions well but the trunk lock or other lock doesn't work it's recommended to quit the car and call an automotive locksmith. They will be able to identify the cause. A skilled locksmith can quickly reprogram the key fob to work with a different lock. remove any obstructions that are blocking the lock's pins and tumblers or remove and replace the car lock cylinder.