Certification, emission, geographically restricted registration

Years 1998, 2006 Models 4 Factory citations 4

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Also described as Certification, emission, geographically restricted registration, vehicles up to 6,000 lbs GVW

Also documented for Cadillac Chevrolet GMC Hummer Oldsmobile Pontiac Saturn

Documented applications

LeSabre — H-body (1992–1999)

1998 Factory-verified internal

GM prints "Geograhically".

GM factory document — 1998 buick lesabre rpo code list, p.1.

Park Avenue — G-body (1997–2005)

1998 Factory-verified internal

The list prints "Geograhically".

GM factory document — 1998 buick park avenue rpo code list, p.1.

Rendezvous — U-body / GMT257 (2002–2007)

2006 Factory-verified internal

GM factory document — 2006 buick rendezvous awd rpo code list, p.1.

Riviera — G-body (1995–1999)

1998 Factory-verified internal

the list prints Geograhically

GM factory document — 1998 buick riviera rpo code list, p.1.

This page aggregates every documented appearance of NG1 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.