The 2026 J.D. Power Customer Service Index (often called the CSI Study) has just dropped, and it delivers a goldmine of insights for anyone who owns a car, shops for service, or follows the auto industry. If you’ve ever wondered why some dealership visits feel seamless while others drag on with frustration, this report explains it all. As a car enthusiast and blogger tracking global automotive benchmarks, I dove deep into the official data to bring you verified facts only—no hype, just the real story behind the 2026 J.D. Power Customer Service Index. Purpose of the 2026 J.D. Power Customer…