Quote:
Originally Posted by umlaut
My defrost wasn't working so I took it into the dealership. The mechanic said the defrost won't work if the battery isn't fully charged - apparently the car shuts down "nonessential" features when it has a low battery. Has anyone else come across this?
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A low battery can absolutely cause that kind of problem but I don't think there is any rhyme or reason to it... headlights, TPMS or DRLs usually go first when the battery is dying.