2016 Volt. 6300 miles. Today and very occasionally over last few weeks at least an hour after the car is off and sitting in the driveway while plugged into Level 2 but fully charged -- and about an hour or more after the car has been driven -- I hear something running in the Engine compartment under the hood. I don't think it is the ice, but definitely a fan running and a whir sound but some slight vibration. Volt stats does not show any gas burned. Temperature today was high 80s. Now it is about 75. Is it running AC to cool the battery even though the car has been sitting and it is below 80? Anyone experienced this? What is up?
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