Contents inside this Modal are only authorable inside of this page.


The Traction Select System allows the driver to choose from preset drive modes that have been tailored for different terrain or weather conditions. It adjusts Sierra’s transmission shift points, throttle mapping and StabiliTrak® to optimize performance for the situation. The available modes in the Traction Select System are:

  • Tour
  • Sport
  • Terrain (available on 4x4 models with single-speed transfer case)
  • Off-Road
  • Snow (4x2 models only)
  • Tow/Haul