United States, March 11 -- Cars aren't just for driving - for music lovers, they offer the ultimate listening space. Artists often use "car checks" to fine-tune their work, ensuring it sounds perfect on the road. Now, General Motors is elevating the music and podcast-listening experience by introducing Dolby Atmos immersive sound, starting with the all-electric Cadillac OPTIQ and VISTIQ, available through Amazon Music.Dolby Atmos with Amazon Music is the latest built-in offering from GM's infotainment system.This collaboration marks the beginning of a broader rollout, with Dolby Atmos as a standard feature in select 2025 and 2026 Cadillac models, and available across Cadillac's entire 2026 EV lineup.A concert hall on wheelsGM included the r...