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there are a few kinds of BH that help cars start from extreme cold weather,
6 N- V6 B* [ w3 t# H7 Abasically , 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.
6 H1 w( E- }1 P# T4 tEither way, the engine shall not be frozen with use of BH. N* ^7 H; J' H. `
Google block heater9 R- B" K% [1 N
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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.7 R) G5 o) g/ `2 |% _" h* r
A 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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