Black plate (19,1)Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-8087803) - 2015 -crc - 6/24/14Vehicle Care 10-19The CAC bottle pressure cap canbe removed when the Charged AirCoolant cooling system, includingthe CAC bottle pressure cap, is nolonger hot.1. Turn the pressure cap slowlycounterclockwise and remove it.2. Fill the CAC bottle with theproper mixture to the COLD FILLmark pointed to on the front ofthe CAC bottle.3. Replace the pressure cap tightly.Engine OverheatingThe vehicle has an engine coolanttemperature gauge and an enginetemperature light to warn of engineoverheating.There are also engine hotmessages that may be displayed inthe Driver Information Center (DIC).See Engine Cooling SystemMessages on page 5-38.If the decision is made not to lift thehood when one of these warningsappears, but get service helpright away.If the decision is made to lift thehood, make sure the vehicle isparked on a level surface.Then check to see if the enginecooling fans are running. If theengine is overheating, the fansshould be running. If they are not,do not continue to run the engineand have the vehicle serviced.{ CautionRunning the engine withoutcoolant may cause damage or afire. Vehicle damage would not becovered by the vehicle warranty.(Continued)Caution (Continued)See Overheated EngineProtection Operating Mode onpage 10-20 for information ondriving to a safe place in anemergency.If Steam Is Coming from theEngine Compartment{ WarningSteam from an overheated enginecan burn you badly, even if youjust open the hood. Stay awayfrom the engine if you see or hearsteam coming from it. Just turn itoff and get everyone away fromthe vehicle until it cools down.Wait until there is no sign ofsteam or coolant before you openthe hood.(Continued)
