- 2004–2006 Factory-verified
GM prints "Ground Affects"
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.32.
GND Factory-verified
Also described as Sales package, Avalanche ground effects
Also documented for GMC
Documented applications
This page aggregates every documented appearance of GND in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.