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Focus Preacher
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I noticed that I left opened (the light switch) my low beam since yesterday.

Normally I use automatic mode but yesterday I needed it because the sensor don't pick up fog condition.

Do the BCM automatically cut the power to save the battery in this case?

Car was hard to crank but had enough juice to start.
 

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1,191 Posts
I noticed that I left opened (the light switch) my low beam since yesterday.

Normally I use automatic mode but yesterday I needed it because the sensor don't pick up fog condition.

Do the BCM automatically cut the power to save the battery in this case?

Car was hard to crank but had enough juice to start.
Don't forget it was -12°C this morning.

Usually the car should shut down every electric system after 30 minutes if I remember correctly.
 
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