Cadillac Lyriq headlight bulb size by year
The low beam, high beam and fog light bulbs for every Cadillac Lyriq from 2024–2027. Pick your year to jump straight to it. Each answer links to the page in Cadillac’s owner’s manual it came from.
Cadillac Lyriq bulb sizes at a glance
| Years | Low beam | High beam |
|---|---|---|
| 2024–2027 | LED | LED |
Where a year lists more than one bulb, it depends on trim or headlight type; see that year’s section below.
2024–2027 Cadillac Lyriq headlight bulbs
| Light | Bulb | Notes |
|---|---|---|
| Low beam | LED | LED unit |
| Low beam | LED | manual: headlamps are LED (no replaceable bulb) |
| High beam | LED | LED unit |
| High beam | LED | manual: headlamps are LED (no replaceable bulb) |
LED headlights are usually serviced as a complete lamp assembly rather than a separate bulb; a dealer or parts counter can quote the assembly for your trim.
Where this comes from (8 sources)
- 2024 Cadillac LYRIQ Owner's Manual, p. 280 (2024)
- 2024 Cadillac Lyriq Owner's Manual, p. 280 (2024)
- 2025 Cadillac LYRIQ Owner's Manual, p. 277 (2025)
- 2025 Cadillac Lyriq Owner's Manual, p. 277 (2025)
- 2026 Cadillac LYRIQ LYRIQ V Owner's Manual, p. 296 (2026)
- 2026 Cadillac Lyriq Owner's Manual, p. 296 (2026)
- 2027 Cadillac LYRIQ Owner's Manual, p. 296 (2027)
- 2027 Cadillac Lyriq Owner's Manual, p. 296 (2027)
Always double-check the size printed on the old bulb’s base before you buy. See how we source our data. More Cadillac models.