Audi has unveiled its latest A8 model , which offers the level three autonomy offered by some other automakers . Self - driving cars have a ratings scale , from zero when the driver is in full charge of the vehicle 's acceleration , steering and braking , to level five for a car that does not need a driver . The Audi A2 is the first production vehicle that lets the driver keep paying attention while the car drives itself . Most manufacturers are looking to level four as the next step for their autonomous vehicles , when the driver is almost totally in control all of the time .
Audi has unveiled its latest A8 model, which offers the level three autonomy shunned by some other automakers. Self-driving cars have a ratings scale, from zero when the driver is in full charge of the vehicle's acceleration, steering and braking, to level five for a car that does not need a driver. The Audi A8 is the first production vehicle that lets the motorist stop paying attention while the car drives itself. Most carmakers are looking to level four as the next step for their autonomous vehicles, when the car is almost totally in control all of the time.