The Traction Control System (TCS) limits wheel slip. The system is on when the vehicle is started.
The StabiliTrak system assists with directional control of the vehicle in difficult driving conditions. The system is on when the vehicle is started.
TCS and StabiliTrak can be turned off or on using the Driver Information Center (DIC) controls.
See Traction Control/Electronic Stability Control.
Secondary Air Injection Pump Inlet Hose Replacement Engine Control
..Secondary Air Injection Pump Inlet Hose ReplacementCalloutComponent Name1Secondary Air Injection Inlet Pump HoseProcedureDisconnect the quick connect fittings by squeezing both sides. ...