The vacuum system is used to ____ the heater coolant valve and mode doors to achieve a desired preselected temperature and humidity level.
A) open
B) close
C) position
D) all of the above

Question

Quizplus · Accepted Answer

The vacuum system in vehicles is used to open, close, and position the heater coolant valve and mode doors, allowing for the control of temperature and humidity levels inside the cabin.

The Vacuum System Is Used to ____ the Heater Coolant