siren – n.piece of equipment that makes a loud sound as a warning

lane – n.part of road that is marked by painted lines and used as a single line of vehicles

alcohol– n.a colorless liquid that acts like a drug when taken

feature – n.an interesting or important part, quality, ability, etc.

steering – n.the controlling of a vehicle in one direction or another

gradually – adv. happening slowly over a period of time

eventually - adj. at some later time : in the end