Level 0

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No automation. A human controls all driving tasks, even when aided by assistance systems such as cameras. One of the ‘Levels of Automation’ as the Society of Automotive Engineers.

Level 1

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Driver assistance. A human controls most driving; the vehicle performs either specific steering or acceleration / braking tasks. One of the ‘Levels of Automation’ as defined by the Society of Automotive Engineers.

Level 2

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Partial automation. The vehicle performs both specific steering and acceleration / braking tasks; a human controls all other driving. One of the ‘Levels of Automation’ as defined by the Society of Automotive Engineers.

Level 3

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Conditional automation. The vehicle performs driving in some modes; a human intervenes when requested. One of the ‘Levels of Automation’ as defined by the Society of Automotive Engineers.

Level 4

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High automation. The vehicle controls specific driving modes without human intervention. One of the ‘Levels of Automation’ as defined by the Society of Automotive Engineers.