Free car tools

Quick answers when you’re standing next to the car. No sign-up, nothing to install, works on your phone.

Warning light finder

Tap the light on your dash. See what it means and whether you can keep driving.

Type a code like P0420 or U0100. We break down what every character means.

Pick what your car is doing. Get stop now, get it checked soon, or not urgent.

Decode a size like 225/65R17 and compare two sizes, speedometer error included.