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

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, ...

When this warning lights up on your dashboard, it is concerning—but believe it or not, it’s not necessarily dire. Yes, this universal sign is definitely supposed to get your attention, but the reason ...

While BMW has generally been considered a reliable brand in its 100-year history, some stats sing a different tune. Certain models tend to have high repair costs and need attention more frequently ...