It's good to take pride in your possessions.
Jake doesn't really care about cars, but he bought one so that he could get to work.
Jake has to decide whether to have his car washed.
Jake decides that he'll hire someone that will clean his car for him.
Jake decides that the car would just need to be cleaned again in the future so it would be a waste of time.
Jake's coworkers expect Jake's car to always be clean and notice how clean it looks compared to everyone else's.
Jake's coworkers judge him based him on how dirty his car is.