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

Playing second fiddle to the dreaded check-engine light is the oil light, one of the many dashboard warning lights that you shouldn't ignore when it illuminates while driving. Some cars have multiple ...

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or ...

When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...

As great as cars can be for getting where you need to go as quickly as possible, they have some drawbacks. Most notable are the repairs that tend to come along with them, which can be every bit as ...

Your car's dashboard has a number of different warning lights and indicators. Any enterprising gearhead who has driven a lot of old cars can likely tell you how many times they have driven with the ...