2012 Chevrolet Impala Owner's Manual - Page 131

Instruments and Controls A fault has been detected in the system which means that the system is disabled and it is not protecting the vehicle. The vehicle usually restarts; however, you may want to take the vehicle to your dealer before turning off the engine. See Immobilizer Operation on page 2‑12 for more information. 5-33 SERVICE POWER STEERING This message displays when a problem is detected with the power steering system. When this message is displayed, you may notice that the effort required to steer the vehicle increases or feels heavier, but you will still be able to steer the vehicle. Have your vehicle serviced by your dealer immediately. This message only appears while the ignition is in ON/RUN, and will not disappear until the problem is resolved. This message cannot be acknowledged. Tire Messages SERVICE TIRE MONITOR SYSTEM On vehicles with the Tire Pressure Monitor System (TPMS), this message displays if a part on the TPMS 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 5‑21. Several conditions may cause this message to appear. See Tire Pressure Monitor Operation on page 10‑42 for more information. If the warning comes on and stays on, there may be a problem with the TPMS. See your dealer. THEFT ATTEMPTED This message displays if the content theft-deterrent system has detected a break-in attempt while you were away from your vehicle. See Anti-theft Alarm System on page 2‑11 for more information. SERVICE VEHICLE SOON This message displays when a non-emissions related malfunction occurs. Have the vehicle serviced by your dealer as soon as possible. Service Vehicle Messages ERROR This message displays while viewing the odometer or trip odometers if there is a problem with the instrument panel cluster. See your dealer for service. STARTING DISABLED SERVICE THROTTLE This message displays if the starting of the engine is disabled due to the electronic throttle control system. Have your vehicle serviced by your dealer immediately.