Elon Musk confirmed Grok AI will launch in Tesla vehicles next week, initially for Full Self-Driving subscribers with AMD hardware-equipped cars via update 2025.20. The voice-activated assistant allows drivers to make requests without distraction in both manual and FSD modes. Grok features customizable personalities including Assistant, Argumentative, Doctor, Storyteller, Kids' trivia, Language tutor, and Meditation guide. This integration advances Musk's vision of a unified AI ecosystem across his companies, positioning Tesla at the forefront of automotive AI technology ahead of future developments like the Robotaxi platform.