1. Rivian showcased its self-driving capabilities at 'Autonomy & AI Day'. 2. New software promises hands-free driving on 3.5 million miles of roads. 3. R2 SUV launch is critical amid declining sales of first-gen vehicles. 4. Challenges arise as autonomy tech rollout doesn't align with R2 sales timeline. 5. Rivian remains optimistic about achieving advanced self-driving in the near future.