Front park assist

Years 2013, 2015 Models 1 Factory citations 1

Documented applications

Volt — first generation (2011–2015)

2015 Factory-verified

O, included with and only with V7Y

GM factory document — 2015 chevrolet volt fleet order guide wayback, p.3.
2013 Single-source

new for 2013 in Safety Package 2 (GM Authority 2013 RPO changes, which do not say they come from GM); no GM document read for 2013

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