How to Repair the Fallen Sunshade of the Buick LaCrosse Sunroof?

2 Answers
AvaRose
07/24/25 8:36pm
Repair the fallen sunshade of the Buick LaCrosse sunroof by gluing it back. Below is relevant information about the LaCrosse: 1. Vehicle Design: The Buick LaCrosse adopts the latest Buick family design language, featuring smooth and elegant body lines and a highly dynamic body proportion. The wing-shaped full-LED automatic sensing headlights utilize advanced light curtain technology to create a more uniform and brilliant illumination effect. With a body length of 5026mm, width of 1866mm, height of 1462mm, and an ultra-long wheelbase of 2905mm, it provides a spacious driving and riding space for mid-to-large premium sedans, offering a comfortable and free riding posture. The interior includes 29 practical storage spaces for conveniently storing commonly used devices and handbags. 2. Powertrain: The 2021 Buick LaCrosse family is equipped with two sets of driving systems, combining powerful performance with excellent fuel economy, and all models meet the "China 6b" emission standards. Meanwhile, different powertrain combinations will meet users' diverse needs with more choices and further enhance the competitiveness of the Buick LaCrosse in the mid-to-high-end car segment market.
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AdrianaDella
08/11/25 11:13am
A detached sunshade is a common minor issue with the Buick LaCrosse, and I’ve dealt with this problem quite often, so I can definitely help. Before fixing it, first check if the shade’s sliding rail is jammed or if the fixing hooks have come loose. Remember to turn off the engine before working—open the sunroof panel and use a screwdriver or small tweezers to clean dust and debris from the tracks to keep them smooth. Then, realign the shade into the sliding groove, ensuring the hooks are properly engaged. If you notice any worn parts, you might need to buy a new shade replacement. Test the manual sliding function first before trying the automatic mode. Regular maintenance is also key—spray a silicone-based lubricant on the tracks every six months to prevent aging and detachment, saving you from rework. Avoid forcing anything during the process, as you might damage more components and make things worse. The whole job takes about half an hour—safe and hassle-free.
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