My girlfriend was driving to work when her car overheated and started beeping. She pulled over and let it sit for a few minute and then started it up again and the gauge went back down to half way. Then about 30 yards down the road it overheated and beeped again. She said she smelt antifreeze. There was no fluid on the ground or in the car and no smoke coming out of the engine. I think it is the thermostat. Is it that or could it be something else. Please help.
My car has 120000 miles.
My car has an automatic transmission.
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