Black plate (21,1)Cadillac Escalade EXT Owner Manual - 2012Instruments and Controls 5-21When the Light Is On SteadyThis indicates that one or more ofthe tires are significantlyunderinflated.A Driver Information Center (DIC)tire pressure message may alsodisplay. See Vehicle Messages onpage 5‑28 for more information.Stop as soon as possible, andinflate the tires to the pressure valueshown on the Tire and LoadingInformation label. See Tire Pressureon page 10‑49 for more information.When the Light Flashes First andThen Is On SteadyIf the light flashes for about a minuteand then stays on, there may be aproblem with the TPMS. If theproblem is not corrected, the lightwill come on at every ignition cycle.See Tire Pressure MonitorOperation on page 10‑52 for moreinformation.Engine Oil Pressure Light{ WARNINGDo not keep driving if the oilpressure is low. The engine canbecome so hot that it catches fire.Someone could be burned. Checkthe oil as soon as possible andhave the vehicle serviced.Notice: Lack of proper engine oilmaintenance can damage theengine. The repairs would not becovered by the vehicle warranty.Always follow the maintenanceschedule for changing engine oil.This light comes on briefly whilestarting the engine. If it does not,have the vehicle serviced by yourdealer. If the system is workingnormally, the indicator light thengoes off.If the light comes on and stays on, itmeans that oil is not flowing throughthe engine properly. The vehiclecould be low on oil and it mighthave some other system problem.Security LightThe security light should come onbriefly as the engine is started. If thesystem is working normally, theindicator light turns off. If it does notcome on, have the vehicle servicedby your dealer.