Understanding Transponder Keys: How They Work and Their Benefits

The first car keys were simple metal keys that were use to manually lock and unlock car doors. These keys had no electronic components and were easy to duplicate, making them vulnerable to theft. As cars became more advanced, so did their transponder key. In the 1980s, electronic key were introduce, allowing driver to remotely unlock and lock their car doors. These keys used infrared technology to communicate with the car’s locking system.