General Motors option code

C3U

C3U: a General Motors factory option code reused for more than one part across 2010–2023 and 1 model — see the table for what it named each year, with installs and price where a source states them.

General Motors reused this code for more than one part over the years — read the "as named that year" column for what it meant on each row rather than assuming one meaning throughout.

1 model · 8 model years · 8 sources

Black 2009 Cadillac CTS-V sedan, front three-quarter, in a parking lot — Shown: 2009 Cadillac CTS-V Photo: IFCAR, public domain, via Wikimedia Commons

Every sourced appearance

Year	Model	As named that year	Price	Installs
2010	Cadillac V-Series	CTS-V: Sunroof, power UltraView double-sized, tilt-sliding with express-open and power sunshade RPO	Unknown	Unknown
2011	Cadillac V-Series	Sedan and wagon: Sunroof, power UltraView double-sized, tilt-sliding with express-open and power sunshade RPO	Unknown	Unknown
2012	Cadillac V-Series	Sedan and wagon: Sunroof, power UltraView double-sized, tilt-sliding with express-open and power sunshade RPO	Unknown	Unknown
2016	Cadillac V-Series	CTS-V: Sunroof, UltraView, power (requires Y40) RPO	Unknown	Unknown
2018	Cadillac V-Series	CTS-V: Sunroof, UltraView, power RPO	Unknown	Unknown
2019	Cadillac V-Series	CTS-V: Sunroof, UltraView, power RPO	Unknown	Unknown
2022	Cadillac V-Series	CT5-V Blackwing: UltraView sunroof RPO	Unknown	1,314 Reported
2023	Cadillac V-Series	CT5-V Blackwing: Ultraview Sunroof RPO	Unknown	Unknown

Every row traces to the source it links from on that model's own year page; this table only collects them in one place.