Maneuver
    1) starts with the car staionary
    2) forward or reverse is chosen automatically
    3) the driving wheel is turned to a fixed angle automatically
    4) the car moves a distance automatically then stops

Park
    1) a park is always made into a space between two neighbouring vehicles.
    2) when parked the car's centre-line is no more than 45 degrees from the curb.
    3) when parked every part of the car is closer to the curb than the furthest out parts of both neighbouring vehicles.

Un-park
    1) when un-parked the car's centre-line is exactly parallel to the curb.
    2) when un-parked every part of the car is further from the curb than the furthest out parts of both neighbouring vehicles.