Your brother's friend sounds like he knows less than you do.
First understand that vehicle photography is incredibly complicated and often includes an extensive setup of flashes and lighting. It LOOKS like it's just a shot of a car on the road-it's not.
We can't tell you settings because they are dependent upon a multitude of things:
The main thing being light. The 3 settings that create exposure all control light and how it makes the image as well as something creative in the image. The light in every situation is different. Exposure is made by taking a measurement of that light and using the appropriate settings to balance it so that your image is not too dark or too light.
Then comes what you are aiming for in terms of how the final image will look. Each of those three things controls something in how the images look besides how biright or dakr. PLUS the light controls how the final image will look: do you want a dark moody image? Do you want a bright sun lit image? Do you want to see tail lights, etc?
Those three settings I keep talking about control how much will or won't be in focus, if you will see motion blur in the image or if you will have a grainy, gritty look to the image. All things that change how you expose any one image.
Raw files are not image files and you must have a raw processing software AND know how to process a raw file before it will be anything remotely useful. If you don't have a raw software you won't even be able to see your images. If you don't know how to process a raw file in your software you might as well shoot in jpeg until you can learn how to do it.
Keith's signature up above there has some great information to start out with.
HERE Is a bunch of tutorials that will introduce you to those settings and how to use them. Start with the first one and keep going.
Someone will be along to give you a hard time...I mean some tips. Prepare yourself 
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