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there are a few kinds of BH that help cars start from extreme cold weather,1 E- H# T. [' Q0 K
basically , BH keep the car warm by heating up the oil pan-which keeps the engine oil from frozen, or by heating up the coolant/radiator, and keep the engine block warm.
* U4 n: w6 G# s* I# p. |8 PEither way, the engine shall not be frozen with use of BH.
j4 c( F, Q, l QGoogle block heater
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1 N; }) E, m" k( X- z M. bIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
. ?/ |; d' @8 O& }A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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6 m4 B$ _8 |/ i) eif you have BH or SO, but ur car still could not be started up, and you have not checked/replaced your battary before the winter came, I bet the battary is dead. |
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