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there are a few kinds of BH that help cars start from extreme cold weather, H# T" |; F6 v9 r1 O" C
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.
+ z) R! g P! L/ p4 b. D: qEither way, the engine shall not be frozen with use of BH.' E: Z0 C9 c2 s8 T
Google block heater% a2 Z' I( F" ^3 B+ t+ z
( j4 {& ]0 K8 L: P o% S: J3 BIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
' `# r2 w# {2 {- pA 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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