Makes · Cadillac · CTS
2018 Cadillac CTS bulb size chart
Catalog bulb positions and codes for the 2018 Cadillac CTS. Confirm against your owner’s manual before buying.
Bulb chart
Headlight & fog
| Position | Bulb |
|---|
| Headlight Bulb High Beam and Low Beam | D3S |
Exterior signal & marker
| Position | Bulb |
|---|
| Back Up Reverse Light Bulb | 921 |
| Brake Light Bulb | LED |
| Center High Mount Stop Light Bulb | LED |
| Daytime Running Light Bulb | LED |
| License Plate Light Bulb | 2825, 98 |
| Side Marker Light Bulb Front | LED |
| Side Marker Light Bulb Rear | LED |
| Stepwell Light Bulb | 2886X |
| Tail Light Bulb | LED |
| Turn Signal Light Bulb Front | LED |
| Turn Signal Light Bulb Rear | LED |
Interior & accessory
| Position | Bulb |
|---|
| Dome Light Bulb | 2825, 98 |
| Glove Box Light Bulb | 906 |
| Interior Door Light Bulb | 906 |
| Map Light Bulb | PC175 |
| Trunk or Cargo Area Light | 211-2 |
| Vanity Mirror Light Bulb | 6612F |
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