Cadillac ATS Courtesy Bulb Size
The Cadillac ATS courtesy light uses a 12961 bulb size for the interior illumination system. Data for the specific component covers the range from 2013 through 2019.
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 | Bulb Type | Shop |
|---|---|---|
| 2019 | 12961 (Trunk Light) | Check Price |
| 2013-2018 | 12961 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 | Check Price |