Cadillac's Formula 1 team has named Zhou Guanyu as its reserve driver for its 2026 debut season. The Chinese driver, who previously raced with Alfa Romeo Kick Sauber from 2022 to 2024, will support race drivers Valtteri Bottas and Sergio Perez. Zhou brings experience from 68 Grands Prix and is noted as China's first F1 driver. Colton Herta will handle testing duties for the General Motors-backed American outfit.