Q: Traction control light on 2006 Buick Terraza

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
After the car warms up the traction control light comes on
(1) Answer
Get the ABS/TRAC system diagnosed. It requires a diagnostic computer.
Based on the test results the shop will be able to tell you what's wrong with your car.