Cadillac XT6 headlight bulb size by year
The low beam, high beam and fog light bulbs for every Cadillac XT6 from 2020–2025. Pick your year to jump straight to it. Each answer links to the page in Cadillac’s owner’s manual it came from.
Cadillac XT6 bulb sizes at a glance
Where a year lists more than one bulb, it depends on trim or headlight type; see that year’s section below.
2020–2022 Cadillac XT6 headlight bulbs
| Light | Bulb | Notes |
|---|---|---|
| Low beam | LED | LED unit |
| High beam | LED | LED unit |
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 (3 sources)
2023–2025 Cadillac XT6 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 (3 sources)
Always double-check the size printed on the old bulb’s base before you buy. See how we source our data. More Cadillac models.