"Push-Button Start" is a modern feature in many vehicles that allows drivers to start the engine with the simple push of a button, rather than using a traditional key. This system typically requires the driver to have a key fob in their possession, which communicates wirelessly with the car. When the button is pressed, the vehicle's ignition system activates, starting the engine. This technology enhances convenience and security. With key fobs, drivers can unlock and start their cars without fumbling for keys. Additionally, many systems include safety features that prevent the engine from starting unless the fob is inside the vehicle, reducing the risk of theft.