The 2012 Cadillac CTS-V has several headlight fitment options, so identify the lighting configuration before ordering. The listed low-beam sizes are D1S and H11, while the high-beam listings are D1S and H9. These options reflect different headlight configurations, so match the replacement bulb to the existing housing and headlight type.
- Fog lights use an H11 LED bulb.
- Front turn signal fitment varies by headlight type: 2504 LED with halogen headlights and 12272NA with HID headlights.
- Daytime running lights use 5201.
- Parking and license plate lights use 2825; front side markers use 194NA.
- Interior fitments include 906 for the glove box and interior light, PC175 for map lights, 211-2 for the trunk, and 6612F for the vanity light.
Confirm whether the vehicle has halogen or HID headlights, and compare the original bulb before purchasing.