A lot of folks have had problems with their cars. So it seemed like a good time to write about what makes a car a lemon, at least in Massachusetts, and what it takes to get something done about it. First, what makes a car a lemon is a defect that “substantially impairs the use, market value, or safety of the vehicle.” The law covers new vehicles during the first 15,000 miles. You will have to have tried to get the vehicle repaired before reaching 15,000 miles.

Article source: http://www.boston.com/business/personalfinance/articles/2012/07/22/new_car_troubles_how_to_use_the_lemon_law_to_eliminate_that_sour_taste/