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Buick LaCrosse Trunk Light Bulb Replacement Guide
How to change a burnt out cargo area light bulb in the trunk of a 2nd generation 2010-2016 Buick LaCrosse sedan.

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2016 LaCrosse Trunk Light
Cargo Light Housing
Small Notch - Right Side
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 cargo area light bulb in the trunk.

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.

A replacement light bulb is part number 2825.

You could also use a brighter LED unit.

The only tool needed to access and replace the trunk light bulb is a small flathead screwdriver used to pry out the housing.

Gently Pry Out Light Housing
Light Housing Removed
Press Release Tab
The first two steps are to open the trunk and then locate the light housing.

Insert a small flathead screwdriver or a plastic automotive pry bar tool in to the notch on the right (passenger) side of the housing.

Gently pry out the light housing and remove it from the roof of the trunk.

Press in the release tab on the black plastic electrical connector before siding the plug straight out of its socket.

Disconnect Power Plug
Push Out Old Light Bulb
Old Light Bulb Removed
Gently push the old light bulb out of the socket from the base.

Try to avoid using excessive force to prevent from breaking the bulb.


Old # 2825 (W5W) Bulb
Push In New Light Bulb
Push In Power Plug
Push a new number 2825 light bulb straight in to the socket.

If necessary, you can also use any other miniature wedge base bulbs such as the number 168, 158, W5W, 194 or a compatible LED unit.

Push the electrical connector straight in the socket on the light housing.

Re-Insert Wires First
Pop In Retaining Clip
Test New Trunk Light Bulb
Re-insert the wires in to the opening in the roof of the trunk.

Gently snap in the plastic retaining clip on the right (passenger) side of the housing.

If the new trunk light bulb didn't turn on immediately when you pushed in the new bulb, open and close the trunk or press the "Unlock" button on the key fob to activate the interior lights.

For more, check out my other 2010-2016 Buick LaCrosse DIY Repair & Maintenance Guides.

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