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there are a few kinds of BH that help cars start from extreme cold weather, A7 Q" D/ K: F6 Q- D
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.& N9 W5 r$ k8 g2 h5 R1 u
Either way, the engine shall not be frozen with use of BH., Y* }( P4 o: Y4 S+ n
Google block heater
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/ O% P/ ]8 W, w& EIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
4 K$ F9 B% i; E4 n( QA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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if 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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