The Assumption That Broke: Why Autonomous Vehicles Need a Completely Different Software Architecture
The moment nobody sits behind the wheel, every assumption modern in-vehicle software was built around starts breaking quietly.
Not loudly. Not with a crash report or a failed test. Quietly. In the invisible contract between the vehicle and the human who's supposed to be in control of it.
Waymo is running driverless taxis in multiple cities. Zoox is building robotaxis from scratch. Every major OEM has a Level 4 program on a roadmap somewhere. And yet, if you opened the software stack on most of these vehicles today, you'd find infotainment systems still fundamentally architected for someone with their hands on a wheel. Someone who's ready to take over. Someone who doesn't need the car to explain itself — because they can see out the windshield.
The Assumption That Built Everything
Modern in-vehicle software has a hidden premise baked into every layer: a human driver is in the loop.
It...
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