While Chevrolet calibrates the 2025 Silverado's 10-spd transmission for efficiency in 'Normal' mode, a growing number of owners are reporting that the 'Sport' setting actually mitigates the shift-lag ...
GM releases fix for harsh shifts in Chevy Trax and Buick Envista crossovers. Dealers are to replace TEHCM and valve body in 6T40 transmissions.