2012 GMC Sierra Owner's Manual - Page 183

Instruments and Controls STABILITRAK OFF may also display when the stability control has been automatically disabled. There are several conditions that can cause this message to appear. . 5-45 The message turns off as soon as the conditions that caused the message to be displayed are no longer present. off the engine. See Immobilizer Operation on page 2‑13 for more information. One condition is overheating, which could occur if StabiliTrak activates continuously for an extended period of time. The message also displays if the brake system warning light is on. See Brake System Warning Light on page 5‑25. The message could display if the stability system takes longer than usual to complete its diagnostic checks due to driving conditions. The message displays if an engine or vehicle related problem has been detected and the vehicle needs service. See your dealer. Airbag System Messages SERVICE AIR BAG This message displays if there is a problem with the airbag system. Have your dealer inspect the system for problems. See Airbag Readiness Light on page 5‑18 and Airbag System on page 3‑21 for more information. Starting the Vehicle Messages FAST IDLE ON If your vehicle has this feature, this message displays when the fast idle feature is on. See Fast Idle System on page 9‑29 for more information. . . Tire Messages SERVICE TIRE MONITOR SYSTEM If the vehicle has the Tire Pressure Monitor System (TPMS), this message displays if a part on the system is not working properly. The tire pressure light also flashes and then remains on during the same ignition cycle. See Tire Pressure Light on page 5‑27. Anti-theft Alarm System Messages SERVICE THEFT DETERRENT SYSTEM This message displays when there is a problem with the theft-deterrent system. The vehicle may or may not restart so you may want to take the vehicle to your dealer before turning .