Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-Europe-9367723) -2016 - CRC - 10/9/15Vehicle Care 267CautionIf the pressure cap is not tightlyinstalled, coolant loss andpossible engine damage mayoccur. Be sure the cap is properlyand tightly secured.Check the level in the surge tanktop and bottom chambers when thecooling system has cooled down.If the coolant is not at the properlevels, repeat Steps 1–3 andreinstall the pressure cap and closethe service port. If the coolant still isnot at the proper levels when thesystem cools down again, see yourdealer.Engine OverheatingThe vehicle has an indicator to warnof the engine overheating.If the decision is made not to lift thebonnet when this warning appears,get service help right away.If the decision is made to lift thebonnet, make sure the vehicle isparked on a level surface.Then check to see if the enginecooling fan is running. If the engineis overheating, the fan should berunning. If it is not, do not continueto run the engine. Have the vehicleserviced.CautionRunning the engine withoutcoolant may cause damage or afire. Vehicle damage would not becovered by the vehicle warranty.If Steam Is Coming from theEngine Compartment{ WarningSteam from an overheated enginecan burn you badly, even if youjust open the bonnet. 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.(Continued)Warning (Continued)Wait until there is no sign ofsteam or coolant before you openthe bonnet.If you keep driving when theengine is overheated, the liquidsin it can catch fire. You or otherscould be badly burned. Stop theengine if it overheats, and get outof the vehicle until the engineis cool.If Steam Is Coming from theEngine Compartment with NoOverheat Warning(V-Series Only)The V-Series bonnet vent isfunctional, and will allow water fromrain and car washes to enter theengine compartment and contacthot surfaces. If steam is seencoming from the bonnet vent with noaccompanying overheat warning, noaction is required.
