2016 Cadillac CTS Bulb Size
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Bulbs Chart
2016 Cadillac CTS Headlight Bulb High Beam and Low Beam (D3S)
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Best Choice, D3C
POWERFUL LIGHT FROM XENON HID BULBS OFFER MAXIMUM SAFETY: Xenon HID (High Intensity Discharge) headlight bulbs offer twice as much light* for safer driving in all conditions while consuming 50% less power. The intense white light produced by the Xenon HID lamps is comparable to daylight. Studies have demonstrated that...
Philips D3S Standard Authentic Xenon HID
Xenon HID Conversion Kit
2016 Cadillac CTS License Plate Light Bulb (2825)
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Premium Pick
SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively.Sylvania White Mini Bulb
Halogen Lights
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For Car Dome, Map Door, Courtesy, License Plate Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. Products with electrical plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2016 Cadillac CTS Back Up Reverse Light Bulb (921)
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Best Choice
Replace your standard car lights with our robust Philips Vision LEDs that deliver dynamic lighting for your vehicle, both inside and out. The innovative design and unmatched performance of Philips Vision LEDs are available for brake and taillights, backup lights, dome lights, and license plate lights. These bulbs are coveredPhilips 12789LPB2 Bright White Vision
Halogen Lights
2016 Cadillac CTS Dome Light Bulb (2825)
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Premium Pick
SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively.Sylvania White Mini Bulb
Halogen Lights
-
For Car Dome, Map Door, Courtesy, License Plate Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. Products with electrical plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2016 Cadillac CTS Headlights
2016 Cadillac CTS Tail Lights
Cadillac CTS Bulb Size By Years
Misconception: picking bulbs for a 2016 Cadillac CTS is just about matching the shape. It feels true because bulb names and numbers look technical and interchangeable, so you might grab whatever fits the socket. Think of it as a mental model that's too simplistic.
What is true: the bulb size chart lists exact types for each lamp — low beam, high beam, turn signal, and so on — plus notes on retrofit options. The rule of thumb is to use the chart as a quick reference, then confirm fit and brightness before ordering. That keeps installation smoother and reduces returns.
Implications and quick tests: a quick recap — check the chart entry for your year and model, compare photos and connector type, and test the bulb in-place if possible. I may earn a small commission if you buy through links on this page; the recommendations are intended to help, not push sales.
2016 Cadillac CTS specs
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