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

Nothing grabs a driver's attention quite like a warning light on the dashboard — especially when it's the check engine light or the AWD (all-wheel drive) light. One moment you're cruising along, and ...

️ Editor's note: This product category requires new testing about once a year. We'll update this article with the most recent information when it's available. Few parts of a car tell the truth quite ...

Among the many dashboard warning lights in a modern car, the ESP, or Electronic Stability Program, is what industry experts call the "guardian angel." Known by many names including vehicle stability ...