Chicago roadside is winter-dominated. The first hard freeze each year produces a massive battery-failure spike. Snow events drive winch-out volume. Salt corrosion accelerates electrical issues year-round.
Cold-weather battery failures: Chicago averages around 30°F in January with hard freezes commonly hitting 0°F. Batteries that test marginal in fall fail in January. October load testing is essential.
Salt belt issues: road salt accelerates corrosion on battery terminals, brake lines, and fuel lines. Annual underbody inspections recommended for vehicles 5+ years old.
Lake effect snow events produce sudden, intense snowfall that strands vehicles. Recovery operations cluster around major arteries and highway shoulders.
Summer is the low-demand season. Drivers who skip winter prep often discover their problems in the first cold snap of the following winter — a predictable cycle.