2012 GMC Acadia Owner's Manual - Page 157

Instruments and Controls 5-41 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 5‑15 and Airbag System on page 3‑23 for more information. 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 2‑13 for more information. 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. 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 SERVICE A/C (Air Conditioning) SYSTEM This message displays when the electronic sensors that control the air conditioning and heating systems are no longer working. Have the climate control system serviced by your dealer if you notice a drop in heating and air conditioning efficiency. 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 off the engine. See Immobilizer Operation on page 2‑14 for more information. STARTING DISABLED SERVICE THROTTLE This message displays when your vehicle's throttle system is not functioning properly. Have your vehicle serviced by your dealer. Tire Messages TIRE LOW ADD AIR TO TIRE On vehicles with the Tire Pressure Monitor System (TPMS), this message displays when the pressure in one or more of the vehicle's tires is low. SERVICE POWER STEERING This message displays when a problem is detected with the power steering system. When this message is displayed, you may