Audi’s automatic parking systems operate by means of either ultrasound or cameras, which display images via the onboard monitor. One particularly convenient solution is park assist. When backing into a parking space, it performs all the necessary steering movements; it can handle both parallel parking and parking perpendicular to the street. The system finds a parking space with ultrasound sensors that scan the roadside in two dimensions while driving at moderate speed. The system notifies the driver via a message in the display once the sensors have found a space which is large enough.
If the driver wishes to park in the space, he or she shifts into reverse and the park assist system takes over the steering. The driver must accelerate, shift gears, and brake. When parallel parking, the detected space is large enough if it is about 80 centimeters (2.62 ft) longer than the vehicle itself. Park assist can perform multi-point parking maneuvers and also offers support in leaving parallel parking spaces.
Another technology from Audi is the parking system plus with surround view cameras. Four small cameras — in the single-frame grille, at the rear and in the side mirror housings — record the vehicle’s immediate surroundings. The driver can call up a variety of views on the large onboard monitor, including a top-down virtual view. On corners or junctions with an obstructed view, the system can analyze cross-traffic otherwise invisible to the driver in front of or behind the vehicle.
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