Create a blog and write some auto related articles, also write some news from automotive industry; submit to automotive directories; go on a raging campaign on blogs and forums.

However, do not expect miracles in just 10 days.

SEO is a long game not a sprint. Build links over time to quick and you will raise a spam flag in the search engines. For traffic I would become a valued member of some of the car forums by doing this you will build your brand around you.

If you wanted to be getting lots of traffic now, you should have been launching your website 18 months ago. I have found a new website will find it very hard to compete in a well established niche until it matures (much like wine websites improve with age)