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there are a few kinds of BH that help cars start from extreme cold weather,
; M$ d7 ~1 T* Q; A+ m8 Sbasically , 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.5 }; `3 I$ R1 i P
Either way, the engine shall not be frozen with use of BH.& o* F+ l% F+ g2 S6 Z# |; [9 X
Google block heater# e2 o! t* E% F% H- c
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If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.+ y% M3 w$ a1 i; F' O
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.; s Q4 a/ Z7 C- p$ Z
. Z/ O. ?( f. w1 W5 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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