Originally Posted by
GraphiteGhost
If the whole system failed and you start the car cold, you'll have no heat, period. Not sure what you meant, am having a senior moment here trying to understand what your trying to say.
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Who said the whole system has failed?
Your second and third sentences say exactly what I said. What is in my reply makes sense when you couple it to the OPs statement that I quote. You cannot take what I said on its own.