Why is the Check Engine Light on in my Cadillac?
It's not unusual to see your check engine light come on when you're driving. If this hasn't happened to you, you've surely heard a friend or family member ask about it. Your engine light may or may not be a sign of something serious.
What does it mean when your check engine light comes on? Is it dangerous, and what should you do about it?
Keep reading, and we'll answer all your questions.