Posted on 9/2/2025

The crisp air, the vibrant foliage, the pumpkin-spiced everything—autumn in O'Fallon, Missouri, is a beautiful time of year. But for your car battery, this season is a silent adversary. The dropping temperatures cause chemical reactions within your battery to slow down, significantly reducing its ability to hold a charge and deliver the powerful crank needed to start your engine. Finding yourself stranded in a parking lot off Highway K or in your own driveway on a chilly morning is a frustrating way to start the day. At Hillside Auto Repair, we see a significant spike in dead battery calls this time of year. But with a little knowledge and preparation, you can avoid this common seasonal headache. This guide will walk you through everything you need to know: from the classic jump-start to why a modern jump pack is a game-changer, and how to extend the life of your battery through an O'Fallon winter. Why is Autumn So Hard on Car Batteries? Before we d ... read more