For the 2006 Cadillac SRX, headlight bulb fitment depends on the factory headlight type. Models with halogen headlights use a 9006XS low-beam bulb, while models with HID headlights use a D1S low-beam bulb. The high-beam bulb is 9005XS, and the same 9005XS size is listed for daytime running lights.
- Front turn signals use 3757A bulbs.
- Reverse lights use 3157 bulbs.
- Brake, tail, center stop, and rear turn signals are listed as LED assemblies.
- Parking light fitment varies: compare the original bulb for 2825 or 98 (Option 1), or 3757A (Option 2).
- License plate and front side-marker lighting may use either 2825 or 98.
For interior replacements, the listed sizes include 578 for the dome light, 906 for the interior light, 2886X for map lights, 211-2 for the trunk light, and 7065 for the vanity light. Confirm the existing bulb and headlight configuration before ordering.