Used for: Back Up Reverse Light Bulb
Used for: License Plate Light Bulb
Used for: License Plate Light Bulb
Used for: Dome Light Bulb
Used for: Trunk or Cargo Area Light
Used for: Trunk or Cargo Area Light
Used for: Vanity Mirror Light Bulb
This page for the 2019 Cadillac XTS helps you verify bulb sizes by lighting position, so you can match the correct replacement to the exact lamp on the car. Whether you are checking the headlight, tail light, interior lamp, or license plate light, the goal is to make bulb selection faster and more accurate.
The 2019 XTS uses a mix of LED exterior lighting and several common interior and utility bulb types. Because fitment can vary by trim, lighting package, market, and body style, it is smart to confirm the bulb location before ordering any replacement part.
For best results, compare the bulb chart on this page with the bulb already installed in your Cadillac XTS before buying. Some 2019 XTS models may use different lighting setups depending on trim or package, and LED-equipped positions can differ from halogen-style setups found on other vehicles. If you are planning an aftermarket LED conversion, make sure the replacement is compatible with the housing, connector, and any factory electronics so you avoid flicker, warning messages, or poor beam pattern. When possible, remove the old bulb and check the base style and markings first, especially for interior lights and smaller exterior positions where several similar bulb numbers can exist.
The available chart for the 2019 Cadillac XTS lists LED bulbs for both the high beam and low beam headlight positions.
Yes. The front turn signal light bulb position is listed as LED for this model year.
The rear turn signal light bulb position is listed as LED on the 2019 XTS.
The back up reverse light bulb is listed as 921.
The license plate light bulb can use 2825 or 98, depending on the exact setup.
The trunk or cargo area light is listed with 194 or 7441 bulb options.
The vanity mirror light bulb is listed as 7065.
The dome light bulb is listed as 2886X.
Yes. The brake light bulb and the center high mount stop light bulb are both listed as LED.
Yes. The parking light bulb and the daytime running light bulb positions are listed as LED.
Yes. Trim, lighting package, market, and body style can all affect bulb fitment, so it is important to verify the exact position on your vehicle.
Yes. Checking the installed bulb is one of the best ways to confirm fitment, especially for interior lights and any position that may vary by package or market.
