Cadillac XLR 2007 Bulb Size
Bulb size chart
This page helps you verify bulb sizes for the 2007 Cadillac XLR by lighting position, so you can match the correct replacement to each lamp on the car. Whether you are changing an exterior signal bulb, an interior courtesy lamp, or a headlight component, checking the position first makes it easier to buy the right part the first time.
The 2007 Cadillac XLR uses a mix of LED and replaceable bulb types, and some lighting items can vary by market, trim, or package. Use this bulb guide as a practical reference for the front, rear, and interior lighting locations on your XLR before ordering replacements.
Fitment can differ between trims, lighting packages, and regional builds, so always compare the bulb listed here with the one already installed in your vehicle. Some exterior positions on the 2007 Cadillac XLR use LED assemblies, while others use serviceable bulbs, and aftermarket LED conversions may change brightness, color, or warning behavior. If you are replacing a halogen-style bulb with an LED upgrade, confirm the socket type, polarity, and space inside the housing. For the most reliable result, remove the old bulb and check its marking before purchase, especially for items like the license plate light, parking light, reverse light, and interior courtesy lamps.
FAQ
What bulb sizes are listed for the 2007 Cadillac XLR headlights?
The high beam and low beam headlight bulb is listed as D1S for the 2007 Cadillac XLR.
What is the rear turn signal bulb size on this model?
The rear turn signal light bulb is listed as LED on the 2007 Cadillac XLR.
What bulb does the front turn signal use?
The front turn signal light bulb is listed as 3757A.
What is the daytime running light bulb size?
The daytime running light bulb is listed as 3757A.
What bulb size is used for the fog lights?
The front fog light bulb is listed as 9045.
What bulb fits the backup or reverse lights?
The back up reverse light bulb is listed as 3156.
What bulb size is used for the license plate lights?
The license plate light bulb is listed as 2825, 98.
What bulb size is used for the parking lights and front side markers?
The parking light bulb and the front side marker light bulb are both listed as 2825, 98.
What bulb is used for the glove box light?
The glove box light bulb is listed as 194, 7441.
What bulb is used for the stepwell light?
The stepwell light bulb is listed as 194, 7441.
What bulb fits the interior door light?
The interior door light bulb is listed as 561.
What bulb sizes are listed for the courtesy lights?
The courtesy light bulb is listed as 561 for one option, and 212-2 for the compare-to-original option.
What bulb is used for the map light?
The map light bulb is listed as 212-2.
What bulb fits the trunk or cargo area light?
The trunk or cargo area light is listed as PC168.
Are the brake lights and center high mount stop light LED on the 2007 Cadillac XLR?
Yes. The center high mount stop light bulb, brake light bulb, tail light bulb, rear turn signal bulb, and rear side marker bulb are all listed as LED.