The "It Started Yesterday" Deception: Why the First 30°F Freeze Kills Weak Batteries Instantly (And Why 12V Multimeters Lie)
Your car started without hesitation yesterday afternoon, but the season's first freezing morning leaves you with a rapid clicking sound and a dark dashboard. Here is why cold temperatures simply expose battery wear caused months earlier, why a resting 12.4V multimeter reading misleads so many drivers, and how mechanics properly test cold cranking capacity.