The 2012 Buick LaCrosse uses different headlight bulb options depending on the installed headlamp system. The listed low-beam choices are D1S and H11, while high-beam fitment includes D1S and H9. Confirm the headlight type and existing bulb before ordering, especially when selecting between HID and halogen-style applications.
Daytime running light fitment also varies by headlight configuration. Models with halogen headlights use H11 LED or H16 LED bulbs, while models with HID headlights use a 3157 bulb.
- Fog lights: H11 LED or H16 LED
- Front and rear turn signals, parking lights, and front side markers: 3757A
- Reverse lights: 921
- Tail, brake, center stop, and rear side-marker lights: LED
- License plate and dome/interior lights: 2825 or 98
- Glove box, trunk, and step lights: 194 or 7441
- Vanity light: 7065