AQ4 ✓ Factory-verified

Buick · Regular Production Option

Seat, rear

Years 2002–09 Models 2 Factory citations 5

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Also documented for CadillacChevroletGMCOldsmobilePontiacSaturn

Documented applications

Enclave — Lambda / GMT967 (2008–2017) →

• 2008–2009 ✓ Factory-verified
  ⛭ GM factory document — 2008 buick enclave rpo code list, p.1.

  ⛭ GM factory document — 2009 buick enclave rpo code list, p.1.

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

• 2002–2007 ✓ Factory-verified
  ⛭ GM factory document — 2002 buick rendezvous awd rpo code list, p.1.

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

  ⛭ GM factory document — 2007 buick rendezvous fwd rpo code list, p.1.

This page aggregates every documented appearance of AQ4 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.