2012 Buick LaCrosse Headlight Bulb Size

The 2012 Buick LaCrosse headlights have a single bulb size (D1S) for high and low beams.

Using the 2012 Buick LaCrosse bulb chart below, you can quickly identify the correct replacement lamp for all 30 positions of its lighting system.


Headlight Bulb High Beam and Low Beam - D1S
Fog Light Bulb Front - H11 LED
LED
Fog Light Bulb Front - H16 LED
Headlight Bulb High Beam - H9
LED
Headlight Bulb Low Beam - H11
Center High Mount Stop Light Bulb - LED

“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Brake Light Bulb - LED

“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Turn Signal Light Bulb Front - 3757A
License Plate Light Bulb - 2825
License Plate Light Bulb - 98
Parking Light Bulb - 3757A
Tail Light Bulb - LED

“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Turn Signal Light Bulb Rear - 3757A
Back Up Reverse Light Bulb - 921
Side Marker Light Bulb Front - 3757A
Side Marker Light Bulb Rear - LED

“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Stepwell Light Bulb - 194
Stepwell Light Bulb - 7441
Daytime Running Light Bulb(with halogen headlights) - H11 LED
Daytime Running Light Bulb(with halogen headlights) - H16 LED
Daytime Running Light Bulb(with HID headlights) - 3157
Vanity Mirror Light Bulb - 7065
Glove Box Light Bulb - 194
Glove Box Light Bulb - 7441
Trunk or Cargo Area Light - 194
Trunk or Cargo Area Light - 7441
Dome Light Bulb - 2825
Dome Light Bulb - 98
Interior Door Light Bulb - 2825
Interior Door Light Bulb - 98

Replacement Bulb Size for the 2012 Buick LaCrosse

Considering an upgrade from the Halogen to LED or HID headlights? Find below aftermarket replacements for OEM bulbs compatible with the 2012 Buick LaCrosse's housing. Note that you may need additional equipment to install LED or Xenon bulbs despite the correct bulb size of the lamp.

2012 Buick LaCrosse High and Low Beam bulb size - D1S

LED Lights

2 x Epistar LED Chips are specially designed to have focused and wider beam to fit DOT required high or low beam pattern of original...
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Product Key Features: 

  • IP67 Waterproof Rate

With excellent waterproof and dustproof performance, it can work normally in bad weather with rain, snow, and fog to ensure your...
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See More D1S LED Lights

Xenon HID Conversion Kit

–DOT approved, 100% legal for On/Off road use
– Extremely Long Life with precise light distribution & consistent performance.

ONLY Upgrade version Osram HID bulbs such...
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Discover the xenon lighting solutions, one of the popular choices in xenon lighting. These xenon bulbs produce even more light to satisfy the most demanding...
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See More D1S Xenon HID Conversion Kit

2012 Buick LaCrosse Fog Light bulb size - H11 LED

LED Lights

- See The Difference - The newest Japanese CSP LED chips create +500% more brightness and +250% better night vision than your original halogen or...
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The new generation of LED lights is here to make your nighttime safer and more enjoyable. The brighter they glow, the better! These bulbs will...
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See More H11 LED LED Lights

2012 Buick LaCrosse High Beam bulb size - H9

LED Lights

Introducing the Laxmas H9 LED Headlight Bulb, a cutting-edge solution for your automotive lighting needs.

  • Light Source Type: Crafted using high-quality LED technology, these bulbs are...

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Experience a new level of brightness with the H9 NOVSIGHT LED Headlight Bulbs. Equipped with advanced CSP chips, these bulbs deliver a staggering 900% increase...
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See More H9 LED Lights

2012 Buick LaCrosse Low Beam bulb size - H11

Halogen Lights

These bulbs are made in Germany by, Authentic german brand OSRAM.  Products with electrical plugs are designed for use in the US. Outlets and voltage differ...
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Choose Philips X-television headlight bulbs if you are looking for maximum light output from halogen bulbs. Philips X-television bulbs offer up more vision by offering...
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See More H11 Halogen Lights

Popular Headlights


Explore the custom LED headlight kits that will improve the visibility ahead of the 2012 Buick LaCrosse at night. Made of quality materials, bright and long-lasting, they would be a perfect alternative to old or dimmed factory headlights. Explore more headlights for Buick LaCrosse 2012 here.


Popular Taillights


A pair of custom tail lights is necessary if the people behind your 2012 Buick LaCrosse are to be impressed. Consider direct bolt-on replacements powered by LED instead of worn-out or damaged tail lights.




Buick LaCrosse 2012 bulb size chart specifies the recommended bulb part numbers and types for all positions of its lighting system, like headlights, fog lights, brake lights, side markers, etc.

If you want to upgrade the headlights, the aftermarket bulb you select has to be the exact size your Buick LaCrosse 2012 requires to fit into the housing and match the wattage and voltage specifications.

LightningLab project pulls information about the 2012 Buick LaCrosse bulb sizes from the vehicle's manual and leading automotive lighting suppliers. All the data is classified and fact-checked by our editorial team.

The following chart with the 2012 Buick LaCrosse bulb sizes is provided for informative purposes only. Consult the owner's manual or contact the dealership to double-check the correct bulb type, wattage, voltage, and whether it requires any additional equipment or modifications to be installed on the specific 2012 Buick LaCrosse trim.

Ensure the bulb is "DOT" compliant to avoid legal issues.


FAQs

How to replace the 2012 Buick LaCrosse headlight bulb?

First things first, you'll need the right 2012 Buick LaCrosse bulb size. Of course, you may consult the owner's manual, but let's be honest, that's as dull. Instead, just look at the chart above or remove the old bulb to see its size. It's not rocket science; it's more like... bulb science.

Follow the simple step-by-step instructions:

  1. 1) Park the 2012 Buick LaCrosse on an even surface and turn off the ignition.
  2. 2) Open the hood and pop it up.
  3. 3) Pull the lock bar up and out of the clip to fix the hood.
  4. 4) Identify the back of the headlight assembly where the bulb is housed.
  5. 5) You may need to remove other components to access it.
  6. 6) Locate the electrical connector at the back of the headlight compartment.
  7. 7) Press down on the locking tab and pull the connector away from the bulb.
  8. 8) Remove the Old Bulb. Depending on your trim, you may need to:
    1. a) Unscrew a retaining ring
    2. b) Unclip a metal pin
    3. c) Rotate the bulb counterclockwise
  9. 9) Insert the new bulb without touching the glass.
  10. 10) Plug the electrical connector back, making sure it clicks into place.
  11. 11) Turn on the headlights to test the new bulb.
  12. 12) You may need to aim your headlights.



Reviewed by Brent Ordway

Brent Ordway is an ASE-certified car technician. He has been working on cars since he was a teenager and loved helping people keep their vehicles running smoothly. Brent's skills as a mechanic are unrivaled. In 2022, he earned his place on the list of winners for the ASE Master Automobile Technician of the Year award.

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Buick LaCrosse Bulb Chart By Years

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