AP3 ✓ Factory-verified

Cadillac · Regular Production Option

Lock control, entry, remote, keyless entry, start

Years 2007–09 Models 3 Factory citations 6

Query this via API →

Also documented for BuickChevroletGMCHummerPontiacSaturn

Documented applications

DTS — G-body (2006–2011) →

• 2007–2009 ✓ Factory-verified

  GM marks it do not use after the 2009 model year.

  ⛭ GM factory document — 2007 cadillac dts rpo code list, p.1.

  ⛭ GM factory document — 2009 cadillac dts rpo code list, p.1.

Escalade EXT — GMT900 (2007–2013) →

• 2007–2009 ✓ Factory-verified

  The 2009 list adds do not use after the 2009 model year.

  ⛭ GM factory document — 2007 cadillac escalade ext rpo code list, p.1.

  ⛭ GM factory document — 2009 cadillac escalade ext rpo code list, p.1.

Escalade — GMT900 (2007–2014) →

• 2007–2009 ✓ Factory-verified

  The 2009 list adds do not use after the 2009 model year.

  ⛭ GM factory document — 2007 cadillac escalade rpo code list, p.1.

  ⛭ GM factory document — 2009 cadillac escalade rpo code list, p.1.

This page aggregates every documented appearance of AP3 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.