Every car has its own language of light-up hieroglyphics on the dashboard. They’re your car’s way of asking for help. But those lights are not always easy to interpret. What it means: Typically red, ...

Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

Can you name all the warning lights pictured above? A survey of 2,000 car owners by Warrantywise uncovered that 46 percent of motorists couldn’t identify even half of the warning lights on their car’s ...