Posted on May 22nd, 2023.

A car key is a device that is used to start and operate a motor vehicle. Car keys have evolved over the years from simple metal keys to complex electronic devices.

Types of Car Keys

1. Traditional keys - These are the oldest and most common type of car keys. They are usually made of metal and have to be inserted into the lock cylinder to start the vehicle. They have ridges and grooves cut into them that match the lock cylinder to enable the car's ignition to start.

2. Smart keys - These keys are more advanced and use wireless technology to unlock and start the car. They work on a radio frequency (RF) system that sends a signal to the car's computer to unlock the doors and start the engine. Smart keys are more secure and harder to duplicate than traditional keys.

3. Remote keys - These keys work in a similar way to smart keys but are less advanced. They have a small button on them that, when pressed, sends an RF signal to the car's computer to unlock the doors or trunk. They do not have the added security features of smart keys.

4. Key fobs - These are small electronic devices that work similarly to remote keys. They have buttons on them that allow the driver to unlock the doors or trunk, but they can also control other features of the car, such as the lights or alarm system.

5. Transponder keys - These keys have an embedded microchip that communicates with the car's computer to verify the key's authenticity. They are more secure than traditional keys as they cannot be duplicated easily.

6. Switchblade keys - These keys have a blade that folds into the fob when not in use. They are more compact and convenient to carry around than traditional keys.

7. Valet keys - These are smaller versions of traditional keys that can only be used to start the car and cannot unlock the trunk or glove compartment. They are usually given to valets or mechanics for temporary use of the vehicle.

8. Laser-cut keys - These keys are cut using a laser, which provides more precision and accuracy than traditional keys. They are also more difficult to duplicate.

How Car Keys Work

There are several different types of car keys, each with their unique design and functionality. Here are some of the most common kinds of car keys and how they work:

1) Traditional keys: Traditional keys are simply mechanical keys that fit into the ignition and turn to start the car. These keys are the most basic type of car key and do not have any electronic components. They work by aligning the notches on the key with the tumblers inside the lock cylinder, allowing the driver to turn the ignition and start the car.

2) Transponder keys: Transponder keys have an electronic chip inside the key that communicates with the car's engine control unit (ECU). When the key is placed in the ignition and turned, the ECU sends a signal to the transponder, which responds with a unique code. If the code matches the one programmed into the ECU, the car is allowed to start. This is a security feature designed to prevent theft and unauthorized use of the car.

3) Remote keyless entry keys: Remote keyless entry keys (also known as key fobs) allow the driver to unlock and lock the car doors remotely. These keys have a small radio transmitter that sends a signal to the car's central locking system, which responds by unlocking or locking the doors. Some keyless entry keys also have a transponder chip that allows the driver to start the car without inserting the key into the ignition.

4) Smart keys: Smart keys are similar to remote keyless entry keys but have additional functions. They use a radio frequency identification (RFID) system to communicate with the car's ECU. When the smart key is within range of the car, the ECU detects it and allows the driver to unlock the doors and start the engine with the push of a button. Some smart keys also have features like automatic climate control and seat adjustments that can be programmed to the driver's preferences.

5) Fob keys: Fob keys are a newer type of key that combines the functions of a smart key and a remote keyless entry key. They have a built-in transponder chip and can be used to start the car, as well as lock and unlock the doors remotely. Fob keys also have buttons to control other functions like the trunk release or panic alarm.

How Car Keys Have Developed Over the Years

Car keys have evolved significantly since the first cars were introduced in the late 19th century. Initially, car keys were simple metal keys that had to be inserted into a lock cylinder to start the car's engine. Over the years, car keys have become more sophisticated and now come in a wide variety of shapes, sizes, and technologies.

Early car keys were simple metal keys that were cut to match the lock cylinder of the car. This was an effective and low-cost solution, but it also had some drawbacks. For one, anyone with a key could start the car, making it easy for thieves to steal it. Additionally, keys were easily lost or misplaced, which could be a major inconvenience.

In the 1930s, some car makers began to use ignition switches that required a key to be turned, rather than just inserted, to start the car. These keys were designed to prevent unauthorized use of the car and were a significant improvement in terms of security.

In the 1950s, General Motors introduced the first keyless entry system, using a radio transmitter built into the key fob. This allowed drivers to unlock the car's doors and trunk from a short distance away without needing to insert a key into the lock cylinder. In the 1990s, the introduction of transponder keys brought even more security to car keys. These keys had a computer chip inside that communicated with the car's security system, ensuring that only the correct key could start the car.

Today, car keys have evolved even further, with many cars using keyless ignition systems that allow drivers to start the car with the push of a button, without needing to insert a physical key at all. Some cars even feature keyless entry and ignition systems that allow the driver to keep the key fob in their pocket or purse at all times.

Overall, the evolution of car keys has been driven by a desire to improve security and convenience for drivers. As car technology continues to advance, it's likely that car keys will continue to evolve as well, becoming even more sophisticated, secure, and easy to use.

Today, most cars use electronic keys. Electronic keys are the most secure type of car key and offer the most features. With DPS Keys, you can rest assured that you will receive exceptional auto locksmith services that are both affordable and reliable. Our team of professionals is highly experienced and committed to delivering quality services that exceed the expectations of our clients. We are available to respond to your emergency needs, so you never have to worry about being stranded with a lockout situation. If you're in need of auto locksmith services or have any questions, we invite you to contact us at [email protected] and experience the DPS Keys advantage today!