GMC Sierra Owners Manual
StabiliTrak® SystemIn Brief / Performance and Maintenance / StabiliTrak® System
If equipped, the vehicle has a traction control system that limits wheel spin and the StabiliTrak system that assists with directional control of the vehicle in difficult driving conditions. Both systems turn on automatically every time the vehicle is started.
• To turn off traction control, press and release 
on the instrument panel. The appropriate DIC message displays. See Ride Control System Messages on page 5‑47.
• To turn off both traction control and StabiliTrak, press and hold until
illuminates and the appropriate DIC message displays. See Ride Control System Messages on page 5‑47.
• Press and release again to turn on both systems.
For more information, see StabiliTrak® System on page 9‑59.
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