Cadillac XLR 2006 Bulb Size
Bulb size chart
This 2006 Cadillac XLR bulb size guide helps you verify the correct replacement bulbs by lighting position, so you can match the right part to the right socket before you buy. Whether you are replacing an exterior lamp or a small interior bulb, checking the bulb chart by location is the easiest way to avoid guesswork on the 2006 Cadillac XLR.
The XLR uses a mix of LED and traditional bulb types across the car, including headlights, turn signals, parking lights, reverse lights, license plate lights, and cabin lighting. Because trim and lighting equipment can vary, this page is meant to help you confirm fitment for the exact lighting position on your vehicle.
For best results, compare the bulb listed here with the one already installed in your XLR before ordering, especially if your car has a different trim, market-specific lighting package, or a previous aftermarket conversion. Some positions on this model use LED assemblies, while others use halogen-style replaceable bulbs such as D1S, 3757A, 9045, 3156, 2825/98, 561, 212-2, and PC168. If you are upgrading to LED, make sure the replacement is compatible with the socket, polarity, and available space, since not every LED retrofit will fit or function the same way as the original bulb.
FAQ
What bulbs does the 2006 Cadillac XLR use for the headlights?
The high beam and low beam headlight bulb listed for the 2006 Cadillac XLR is D1S. Always confirm the installed bulb and ballast setup before purchasing, since headlight systems are sensitive to exact fitment.
What is the rear turn signal bulb size on a 2006 Cadillac XLR?
The rear turn signal light bulb is listed as LED. Because this position uses an LED setup, replacement may involve a bulb or module that matches the original lighting design rather than a standard filament bulb.
What bulb fits the front turn signal on this model year?
The front turn signal light bulb for the 2006 Cadillac XLR is 3757A. If you are replacing it with an LED conversion, check that the new bulb is compatible with the socket and does not trigger warning issues.
What size is the daytime running light bulb?
The daytime running light bulb is 3757A on the 2006 Cadillac XLR. This is the same listed size as the front turn signal bulb, so be sure to match the correct lighting position when ordering.
What bulb is used for the fog lights?
The front fog light bulb listed for the 2006 Cadillac XLR is 9045. It is a good idea to verify access and connector style before replacing it, since fog light housings can be tight on some vehicles.
What bulb do I need for the reverse lights?
The back up reverse light bulb is 3156. If only one reverse light is out, it is still smart to inspect both sides for age and brightness differences.
What are the license plate light bulb sizes?
The license plate light bulb for the 2006 Cadillac XLR is listed as 2825 or 98. These same sizes are also used for the parking light and front side marker positions on this page.
What bulb fits the parking lights and front side marker lights?
The parking light bulb and the front side marker light bulb are both listed as 2825 or 98. Make sure you replace the correct lamp location, since the same bulb size can be used in more than one spot.
What bulb size is used for the interior lights?
The interior door light bulb is listed as 561. The courtesy light may also use 561 on one option or 212-2 on another option, and the map light bulb is 212-2.
What bulb fits the glove box and stepwell lights?
Both the glove box light bulb and the stepwell light bulb are listed as 194 or 7441. These are small interior bulbs, so handle them carefully and confirm the base style before installation.
What is the trunk or cargo area light bulb?
The trunk or cargo area light bulb is listed as PC168. If your XLR has a different cargo lamp setup, check the installed bulb first because optional equipment can vary.
Why does the page mention LED for some bulbs and standard sizes for others?
The 2006 Cadillac XLR uses a combination of LED lighting and replaceable bulb types. Some positions are listed as LED assemblies, while others use common bulb sizes such as D1S, 3757A, 9045, 3156, 2825/98, 561, 212-2, 194/7441, and PC168.
Can trim or market differences change the bulb fitment?
Yes. Trim, lighting package, and market differences can affect bulb fitment on the 2006 Cadillac XLR. Always verify by lighting position and compare the installed bulb before buying replacements.