The self-explanatory ‘new car smell’ is a result of the 200+ chemical compounds ( some of them toxic) found in cars being unstable and prone to off-gassing, or releasing chemical vapors, which leads to the odor we all know and love. – WTF Fun Facts
Source: http://www.bbc.com/autos/story/20160315-is-new-car-smell-bad-for-your-health
