GM Service Manual Online
For 1990-2009 cars only

and Traction Control Active Light (Option)

Your vehicle has traction control system if it is equipped with an anti-lock braking system (ABS). The traction control system limits wheel spin. This is especially useful in slippery road conditions. The system operates only if it senses that one or both of the front wheels are spinning or beginning to lose traction. For more information, see Traction Active Message .