Being familiar with the different systems in the driver’s compartment whilst driving:

1. Only contributes in a theoretical level, and has no other advantage.
2. Allows the driver to operate them automatically, without thinking.
3. Correct answer: Allows the driver to fully concentrate on the traffic and the road.
4. Allows the driver to blindly operate the vehicle systems.

WhyIf you know where everything is in the cab, you can fully concentrate on driving and the road.