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there are a few kinds of BH that help cars start from extreme cold weather,
! [ @& v" V$ I* R7 O( m% ybasically , 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.7 M; I( `& R" X5 S" O: a
Either way, the engine shall not be frozen with use of BH.9 `. @% [/ @" V" `# i. x: Y3 h
Google block heater, w4 q/ O: N# s k; o, L
: k' z. W7 a! H2 a/ a8 BIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
; e! h7 @* u$ h" k, xA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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2 \3 c9 D9 F, ~* Y/ iif 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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