Q: What could be the problem? Overheating

asked by on January 23, 2017

I just got my oil change and diagnostics yesterday, my needle went full on red today while I was driving and my heater wasn't working at all which was why I noticed the needle was on the red,( it started getting warm in the car) what could it be?

My car has 78000 miles.
My car has an automatic transmission.

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