Cadillac STS Back Up Light Bulb Size
The Cadillac STS back up light uses a 3157 bulb size for this model. The replacement chart covers vehicle production years spanning 2005 to 2011.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2010-2011 | 3157 | P27/7W | Check Price |
| 2005 | 3157 | P27/7W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 | Check Price |