Car parking has been always a simple problem for a mid skilled driver to master. Usually just using sight to measure, pressing the gas pedal and turning the wheel is all that is needed. As such it could be said that an automatic system designed for this task wouldn't be difficult, but this is definitely not the case. The main problem lies within the fact that the human brain can extrapolate many more considerations when facing a problem as this, thus making as few as three variables mentioned above, the source of a lot of data.