Have you ever stopped and wondered why it’s so effortless to turn a 5,822-pound Cadillac Escalade using a single finger? It’s not the result of your semester stint as a high school athlete, it’s the ...

DEAR CAR TALK: I added a little bit of water to my power-steering system on my 2008 Ford Ranger. Did I do any damage? I removed as much as I could, and it seems to work fine. But what about long-term?

Modern vehicles rely on a host of fluids to send us down the road. Some, like engine oil and coolant, are well-known, while others, like differential fluid, are less-familiar to average motorists.