Buick
LaCrosse Fog / DRL Light Bulb Replacement Guide
How to change a burnt out fog or DRL
(daytime running lamp) light bulb in a 2nd generation 2010-2016 Buick LaCrosse.
2016 LaCrosse DRL Light |
Turn Front Wheels |
Plastic Wheel Well Liner |
This
automotive maintenance tutorial was specifically written to assist
owners of the second generation (2010, 2011, 2012, 2013, 2014, 2015
& 2016) GM Buick LaCrosse sedan in changing a burnt out fog
light bulb or the DRL (daytime running lamp) in the front bumper
cover (depending on the model year). Owners of other General Motors vehicles such as the Chevrolet Impala, Monte Carlo, Malibu, Spark, Sonic, Cruze, Volt, SS, Camaro, Caprice, Corvette, Trax, Equinox, Traverse, Tahoe, Suburban, Colorado, Silverado, Buick Verano, Regal, Cascada, Encore, Enclave, Envision, GMC Canyon, Sierra, Terrain, Acadia, Yukon, Savana, Cadillac CT6, ATS-V, ATS, ELR, CTS, XTS, XT5, SRX, Escalade and Holden Commodore may also find these DIY instructions to be helpful. The 2010, 2011, 2012, 2013 & 2014 model years are equipped with halogen Fog Light bulbs which are part number H11. Newer 2015 & 2016 LaCrosse sedans have DRL (daytime running lamps) which are part number 7443 or (W21/5W). |
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Loosen Counterclockwise |
Torx T15 Screws |
Third T-15 Screw |
The first step is
to turn the steering all the way in the opposite direction of the burnt out
light bulb. Turning the front wheels will create more working room in the wheel well. Remove the four screws along the front outer edge of the black plastic wheel well liner or "splash guard" by turning them counterclockwise with a Torx T15 screwdriver. |
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Remove 4th Screw |
Under Bumper - 3 Fasteners |
Two 7mm Screws |
Set the four screws
aside in a safe place. There are three fasteners on the underside of the bumper cover. (I didn't remove them at first but had to later on.) Remove the two hex head screws with a 7mm socket and a 1/4" drive ratcheting wrench. Then remove the other screw by turning it counterclockwise with a Torx T-20 screwdriver. |
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Torx T20 Screw |
Pull Back Wheel Well Liner |
Old # 7443 (W21/5W) |
Pull back the
plastic wheel well liner to access the bulb socket. If your LaCrosse is equipped with fog lights, rotate the base of the old bulb 1/4 turn counterclockwise and pull it straight out of the socket. Release the electrical connector from the old bulb. Push the power plug on to the base of a new # H11 halogen bulb, re-insert it in to the housing and rotate it 1/4 turn clockwise to secure it in place. For the 2015 & 2016 LaCrosse, rotate the DRL bulb socket 1/4 turn counterclockwise and pull it straight out of the housing. Pull the old wedge base bulb straight out of the socket and push in a new # 7443 (or W21/5W) bulb. |
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Empty Bulb Socket |
Remove 7mm Screws |
Pull Back Plastic Cover |
I had trouble installing the new bulb through the wheel well liner and had to completely remove the other fasteners on the bottom edge of the bumper cover. | ||
Reach In To Bulb Socket |
Push In New 7443 Bulb |
1/4 Turn Clockwise - Lock |
Re-insert the DRL bulb socket in to the housing and rotate it 1/4 turn clockwise to secure it in place. | ||
Replace 7mm Screws |
Tighten Clockwise |
Replace T15 Screws |
Replace the two 7mm screws under the bumper cover and the one Torx T20 screw by turning them clockwise. | ||
Tighten Clockwise |
Splash Guard Secure |
Test New Fog / DRL Bulb |
Replace the four
Torx T15 screws along the outer
edge of the wheel well liner by tightening them in the clockwise direction. If your LaCrosse has fog lights, test the new bulbs by turning on the headlights and activating the fog light switch. For more,
check out my other
2010-2016 Buick LaCrosse DIY Repair & Maintenance Guides. |
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