Car Movement

Functional Requirement

1. The car shall be able to move forward and/or backwards
2. The car shall be able to steer left and/or right
3. The car shall be able to move at different speeds.

Non-Functional Requirement

1. The car shall deviate no more than 5 degrees from the desired course for 90% of the time.
2. The car shall be able to maintain a certain speed without deviations for at least 10 seconds for 95% of the time.
3. The car shall respond to movement-related commands in less than 1 second for 95% of the time.

Example

The car has driven into a dead end. It then puts in the reverse gear and goes full speed backwards until its free again.