because it helps them remember the car. that is true
Car engineers, design engineers, tire safety engineers; anyone that would be involved in the design, assembly, safety, or testing of cars.
look at a car and press the scan button
Automotive Engineers
A Creeper
everything about a caR
With a bi-directional scan tool and the car makers software.
varies by car, some cars do have it on the bottom, it just depends on the car and the way the engineers make for that car
some car makers make them small so they have more mpg and other make them more aoredynamic so the cars ar faster.
Emissions test? New cars only need a scan tool to be hooked to the diagnostic 16pin port.(5mins.) Older car had to be ran on a dyno they took (10-15mins).
If you have a modern car, then the only device you will need is a car diagnostic computer scan. The scan will look at all the computer systems in your car and see if they have logged any issues with your car.
you need to scan the car to find out what is wrong. if you have a auto zone near you they will scan it for you.
People use cars that pollute because they can't afford a car that doesn't. Electric car engineers are to greedy to lower the price of their great nonpolluting cars. Also back when Henry Ford starting the car business, he met Thomas Edison, who suggested Electric cars, but Ford didn't except. That's the reason.