FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Diesel Emissions Fluid (DEF) System: Description and Operation






Selective Catalytic Reduction System

The "NOx reducing agent AUS 32" (AdBlue(R)) is simply called reducing agent in the following information.

The reducing agent can irritate skin, eyes and the respiratory system.

If the fluid comes into contact with skin, rinse the affected area immediately with plenty of water.

If necessary, consult a physician.