An automatic transmission is a system in a vehicle that changes gears automatically, without the need for the driver to manually shift them. This system uses sensors and fluid pressure to detect the vehicle's speed and engine load, adjusting the gears accordingly to provide smooth acceleration and efficient fuel use. Unlike a manual transmission, where the driver must use a clutch and gear stick, an automatic transmission allows for easier driving, as the vehicle handles all the gear changes. This makes it particularly useful in heavy traffic and for drivers who prefer a simpler driving experience.

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