Winter Is Coming: Heat or Defrost ?

We all want our vehicle’s heat to warm our bones, but we need clear windows to see well.  Set your control to a comfortable temperature AND set air flow direction to Defrost.  Doing so allows the heat of the engine to warm the cabin, and the defrost turns the air conditioning compressor “ON” to aid in moisture removal, thereby clearing the glass for you to see.  If your vehicle’s air conditioning is not operating correctly or at all, defrosting windows [...]