In one or more complete sentences, explain about vehicle maintenance and vehicle safety.

which mechanical part or feature listed in the section on critical vehicle systems do you think is most important?
why is that particular part or feature so important?
how do you benefit from that part or feature?

For the answer to the question above asking which mechanical part or feature listed in the section on Critical Vehicle Systems do you think is most important?
Both the Steering and the braking systems are the most crucial feature in the section on Critical vehicles systems.

Because break prevents you from crashing and mobility of the vehicle and steering is important because it will direct the direction of the vehicle and technically, the vehicle won't run without an engine. You can do without the other stuff like air conditioning system.

The vehicle is working and there's a lot of benefits as long as your vehicle is working fine.