I have my third i-MiEV/C-Zero (2018) (1st: i-MiEV 2011, 2nd: C-Zero 2013, 3rd: C-Zero 2018), and I notice that the coolant pump near the engine runs continuously when the car is ON. Coolant is continuously pumped around. It makes a constant (annoying in the interior) humming noise until the car...