Technician A says hybrid vehicles have an electric water pump to circulate coolant through the heater core when the engine is stopped. Technician B says hybrid vehicles have a hot coolant storage tank to provide heat for the passenger compartment when the engine is shut down. Who is correct?

Question

Quizplus · Accepted Answer

Both statements are correct. Hybrid vehicles often use electric water pumps to circulate coolant for cabin heating when the engine is off, and many also have a hot coolant storage tank to maintain heat for the passenger compartment without running the engine.

Technician a Says Hybrid Vehicles Have an Electric Water Pump