In manual cars, the clutch is a critical part that you engage and disengage with a pedal to change gears. However, an automatic car handles gear changes differently. Automatic transmissions have evolved considerably, simplifying driving by eliminating the need for manual gear changes and a clutch pedal. However, this doesn't mean that automatic cars lack a clutch mechanism altogether. They do incorporate a clutch system, but it operates in a distinctive way, controlled by the transmission's hydraulics and electronics rather than manually by the driver's foot. The clutch in an automatic car has a specific function, facilitating a smooth transition between gear ratios without the driver's active input, thus providing a comfortable driving experience.

Source: Garage