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

Do you remember that laser gun toy we used to play with as kids? And the warning that came with it, stating that the laser pointer could damage your eyes? Laser light can be dangerous not only for ...

You don't need to replace your TPMS sensors when buying new tires. You should only replace damaged sensors, and there's rarely a reason to replace all at once.

Since tire pressure sensors use non-replaceable batteries, they need to be swapped out, but do you have to do this each time ...

Modern cars rely on a dense web of sensors to manage everything from fuel delivery to collision avoidance, and when one fails ...

Experts caution Hyderabad residents against panicking over high AQI readings shown by car dashboards and private apps, saying ...

Engine cylinders can misfire due to problems with the ignition system, the fuel system, air and compression, or sensors and ...

For nearly a century, humanity has chased the ghost of the self-driving car, a dream first flickering on silver screens in ...

Is someone on your list hard to shop for? We've got a ton of great options for just about anyone. And grab a little something ...

A simple grille swap on a Jeep Renegade revealed a bizarre design choice, and now we’re asking you for your worst examples.

New patent features ultra-black, cone-shaped glare shields made of sintered steel to improve camera performance.

Imagine this scenario: Your supercharged project car is finally completed. Fresh engine, badass centrifugal blower, speed-density ECM tune, plenty of fuel, yadda-yadda-yadda. With a deck this stacked, ...