Independent guidance for drivers

Why did my car do that?

Understand modern car warnings, unexpected braking or steering, driver-assistance features and what changes after a repair.

General education for drivers worldwide. Your vehicle's owner manual and manufacturer instructions remain specific to your car.

Start with your question

Find the kind of help you need

Common questions

Answers without the jargon

Start with what you noticed. We explain what may be happening, what you can safely check and when the vehicle needs professional attention.

A top-down car illustration between two lane markings.
Concept illustration. Dashboard symbols and system states vary by vehicle.

See what it means

Clear words, useful visual cues

Warnings and driver-assistance features are easier to understand when you can recognise what you saw. Our guides pair plain language with original diagrams and representative visual examples.

See the lane-assistance guide →
Cover of Don't Fight Your Car, Revised for 2026, by Hiran Alwis

Revised for 2026

Don't Fight Your Car

Understand lane assist, smart cruise and the other safety features already in your car. Hiran Alwis’s concise revised guide is available in Kindle and paperback.

View the book

Independent by design

Helpful information with honest limits

ADAS Project explains general principles, identifies market and vehicle differences, and separates sourced facts from interpretation. It does not diagnose an unseen vehicle or replace manufacturer instructions.