Sierra 2500 Denali 2WD V8-6.0L (2011)
8. Fill the transmission to the proper level with DEXRON(R) III transmission fluid. Refer to Transmission Fluid Level and Condition Check (See:
Testing and Inspection/Component Tests and General Diagnostics/4L60-E/4L65-E/4L70-E - Automatic Transmission/Transmission Fluid Level
and Condition Check).