
This light, a Driver Information Center (DIC) Message, and a chime come on when there is an issue with the DEF.
If the DEF issue has not been corrected, the light will continue to flash. The vehicle's speed may also be limited. See Diesel Exhaust Fluid.
Low Fuel Warning Light
Security LightCylinder Head Cleaning and Inspection Engine Block Cylinder Head
Special ToolsGE 8001Dial Indicator SetGE 8358Carbon Removal BrushEN 28410Gasket RemoverEN 42096Valve Guide ReamerEN 47909Injector Bore and Sleeve Cleaning KitFor equivalent regional tools, refer toSpecial Tools.Cleaning ProcedureRemove any old thread sealant, gasket material or sealantusingEN 28410r ...