Speaker system, premium audio, branded, with surround amplifier

Years 2007–09, 2014–19, 2023, 2025–26 Models 11 Factory citations 33

Also described as Audio system feature, Bose premium surround sound speaker systemAudio system, premium Surround SoundAudio system, AKG premiumAudio system feature, Bose premium surround sound 10-speaker systemAudio system feature, Bose premium surround sound, 13 speakers, Active Noise CancellationSpeaker system, premium audio branded, with surround amplifierAudio system feature, Bose Centerpoint Surround Sound premium 10 speaker systemAudio system, AKG 14 speaker

Also documented for Buick Chevrolet GMC Hummer Saturn

Documented applications

ATS — Alpha (2013–2019)

2014–2015, 2018 Factory-verified

10 speakers in the sedan guides, 12 in the coupe guides

GM factory document — 2014 cadillac ats fleet order guide wayback, p.4.
GM factory document — 2015 cadillac ats coupe fleet order guide wayback, p.2.
GM factory document — 2018 cadillac ats coupe fleet order guide wayback, p.2.
GM factory document — 2018 cadillac ats sedan fleet order guide wayback, p.2.
GM factory document — 2018 cadillac ats v fleet order guide wayback, p.2.

CT4 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

V-Series, V-Series Blackwing: S; Luxury, Premium Luxury, Sport: O; CT4 lists name the Bose 14 speaker system; the CT4-V lists print only "Audio system feature" (2026: "Premium Surround Sound 15-speaker system"), with Bose 14 speaker on V-Series and AKG 15 speaker on V-Series Blackwing

GM factory document — 2025 cadillac ct4 fleet order guide, p.18.
GM factory document — 2025 cadillac ct4 v ct4 v blackwing fleet order guide, p.1.
GM factory document — 2026 cadillac ct4 fleet order guide, p.16.
GM factory document — 2026 cadillac ct4 v ct4 v blackwing fleet order guide, p.1.

CT5 — Alpha 2 (2020–2026)

2023, 2025–2026 Factory-verified

Premium Luxury, Sport: S; V-Series, V-Series Blackwing: S; 15-speaker on the CT5 and V-Series, 16-speaker on the Blackwing; 2023: Blackwing only (V-Series --)

GM factory document — 2023 cadillac ct5 v ct5 v blackwing fleet order guide wayback, p.1.
GM factory document — 2025 cadillac ct5 fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct5 fleet order guide, p.1.
GM factory document — 2026 cadillac ct5 fleet order guide, p.1.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide, p.1.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide, p.2.

CT6 — Omega (2016–2020)

2017 Factory-verified

Luxury, Premium Luxury; upgradeable to UQH

GM factory document — 2017 cadillac ct6 fleet order guide wayback, p.2.

CTS — Alpha (2014–2019)

2014–2015, 2018–2019 Factory-verified

Vsport, Vsport Premium: S; the 2015 and 2018 guides name it Bose Centerpoint Surround Sound; 2019 per GM's 2019 CTS Sedan order guide (V-Sport and V-Sport Premium Luxury columns agree)

GM factory document — 2014 cadillac cts sedan fleet order guide wayback, p.2.
GM factory document — 2015 cadillac cts sedan fleet order guide wayback, p.2.
GM factory document — 2018 cadillac cts sedan fleet order guide wayback, p.2.
GM factory document — 2019 cadillac cts order guide copy gm authority, p.1.

CTS — Sigma II (2008–2015)

2008–2009 Factory-verified

GM factory document — 2008 cadillac cts rpo code list, p.1.
GM factory document — 2009 cadillac cts rpo code list, p.1.

Escalade EXT — GMT900 (2007–2013)

2007–2009 Factory-verified

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

GM factory document — 2007 cadillac escalade rpo code list, p.1.
GM factory document — 2009 cadillac escalade rpo code list, p.1.

SRX — Sigma / GMT265 (2004–2009)

2007–2009 Factory-verified

GM factory document — 2007 cadillac srx rpo code list, p.1.
GM factory document — 2009 cadillac srx rpo code list, p.1.

SRX — Theta Premium / GMT166 (2010–2016)

2016 Confirmed

Luxury Collection: O, only with UY4; Performance Collection, Premium Collection: S; GM's 2016 SRX order guide (GM Authority's copy, published September 18, 2015)

XT4 — E2 (2019–2025)

2025 Factory-verified

Premium Luxury, Sport: O

GM factory document — 2025 cadillac xt4 fleet order guide, p.8.
GM factory document — 2025 cadillac xt4 fleet order guide rpo codes, p.1.

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