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there are a few kinds of BH that help cars start from extreme cold weather,! c$ ~- v: n% }# v, e, o# A4 Q4 ^" J
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.. T" c+ X4 S6 b4 O0 u
Either way, the engine shall not be frozen with use of BH.7 r! y( x" I' X$ ?" f
Google block heater
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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.% ?$ }8 O, W5 p/ L
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.5 {' w5 c, u4 p# o. M7 e0 {
- H% n: `& Z+ C8 S: uif 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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