Q. My wife’s car, Kia Soul 2019, uses an orange windshield washer liquid, mine uses a blue one; can I mix them, if not what should I do? Also, with cold weather on its way, is there cold weather fluid ...

Checking all of your car’s key fluids takes less than ten minutes with the engine cold or recently cooled. The six fluids to check are engine oil, coolant, brake fluid, power steering fluid, ...

Viewer-submitted questions for The Car Doctor: Q: I have seen windshield wiper fluid at winter prices as high as $18/gallon. Do you have a recipe for homemade fluid that won’t ruin the rubber lines, ...