Shaw Development, LLC manufactures various configurations of Diesel Exhaust Fluid (DEF), also known as AdBlue® Reservoir Systems. DEF systems are used to supply Selective Catalytic Reduction (SCR) systems with a catalyst compound to break down harmful NOx emissions into nitrogen gas and water vapor.
EXHAUST FLUID QUALITY POOR Use only exhaust ﬂ uid that is GM approved, or ﬂ uid containing the API certiﬁ ed or ISO 22241 label. All DEF has an expiration date. If the system detects poor quality, contaminated, or diluted DEF, the DIC will display EXHAUST FLUID QUALITY POOR. SEE OWNER’S MANUAL NOW.