What does the blue thermometer symbol mean on a car anyway?
You might be wondering what does the blue thermometer symbol mean on a car when you first turn the ignition and see that little glowing icon pop up on your dash. If you're used to older cars with those physical needles that slowly sweep from "C" to "H," seeing a bright blue light can feel a bit weird. The good news is that, in the vast majority of cases, it's nothing to freak out about. It's not like the dreaded "Check Engine" light or the red oil can symbol that screams for immediate attention. ...