Steering, power

Years 2013–15 Models 2 Factory citations 1

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Also described as Steering, power, variable assist, electric

Also documented for Cadillac

Documented applications

LaCrosse — Epsilon II, 2nd gen (2010–2016)

2015 Factory-verified

2015: 1SV, 1SP FWD, 1SR: S; 1SB, 1SL FWD: with LFX

GM factory document — 2015 buick lacrosse fleet order guide wayback, p.4.
2013 Single-source

new for 2013 (GM Authority 2013 changes); single-source for 2013: GM Authority 2013 changes does not credit GM

Regal — Epsilon II, 5th gen (2011–2017)

2014 Confirmed

GM's lists for other vehicles use NJ2 for a temporary fuel tank; new for 2014 (GM's 2014 list); 2016 is left out: the 2016 guide prints it only with the included-in-equipment-group mark on 1SL, 1SN, 1SP and 1SX, AWD only (p.25), group contents

This page aggregates every documented appearance of NJ2 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.