Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.

It’s a common problem on ’99-’06 General Motors fullsize trucks and SUV, and we’ve all seen the symptoms: running around with only one daytime running light (DRL) working, or none at all. Simply put, ...