QLC ✓ Factory-verified

Cadillac · Regular Production Option

Tires, P225/40R18 front and P255/35R18 rear, all-season, run-flat

Years 2015, 2018 Models 1 Factory citations 2

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Also documented for ChevroletPontiac

Documented applications

ATS — Alpha (2013–2019) →

• 2015, 2018 ✓ Factory-verified

  only in: coupe

  ⛭ GM factory document — 2015 cadillac ats coupe fleet order guide wayback, p.3.

  ⛭ GM factory document — 2018 cadillac ats coupe fleet order guide wayback, p.3.

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