1) Autonomous vehicles that can drive without human involvement are being developed by major car manufacturers and are expected to be available on roads in the next 10-30 years.
2) Technologies like GPS, radar, lidar, ultrasonic sensors and computer vision are used by autonomous vehicles to navigate and detect their surroundings. Different levels of vehicle automation are defined based on the degree of human involvement.
3) The document discusses the architecture of Google's driverless car, which includes sensor, drive-by-wire and processor sections to control steering, braking and acceleration without human input. It aims to keep vehicles always connected to receive real-time updates.