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Tagantifreeze

Searching for antifreeze info? Check out all the antifreeze related articles here on the NAPA Know How blog. We’ve got Know How for all!

A coolant cap on a car. There are three major types of coolant, which include HOAT, OAT and IAT. Here's how to tell the difference between the three and four things to know about HOAT.

What Is HOAT Coolant? 4 Things You Need To Know

Engines are complex machines with rapidly moving metal parts and small clearances. And as such, they generate a lot of heat. You already know that coolant is an integral part of keeping your engine from exploding, and you probably also know that you have multiple coolant options that aren’t interchangeable…

icy road

Winter Safety Tips and Your Car

Winter presents many unique hazards for drivers. Wind, sleet, ice and snow can make driving treacherous, with bridges and underpasses especially dangerous. We put together a list of five winter safety tips that will help keep you and yours safe as you traverse the frosty highways and byways…