Parking is the process of stopping a vehicle (car, motorbike, bicycle or truck) and leaving it unattended. This includes parking in a specified parking space (some of which are reserved for disabled parking), or street parking which can quite often require parallel parking. Street parking normally needs to be paid for through a parking meter. Certain cars have piloted parking or park assist to allow them to park themselves. Various big shopping centers have multi-story car parks, or at least a parking lot to provide for many cars which can sometimes include an automated parking system. House occupants may need a resident parking to park their car outside.