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How to Replace the Battery on a Buick Lacrosse

Model: Buick Lacrosse MK 3 - Years: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Part: Battery

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Video tutorial

If you need to replace the battery in your vehicle, you will find the instructions and steps to follow in the video and description below. After safely lifting and securing the hood, locate the battery on the left side of the compartment.

Remove the plastic cover and disconnect the negative terminal first, then the positive terminal, and also remove the fuse box located above. Next, unscrew the fastening bolt of the lower plate and then extract the battery.

Position the new battery and reconnect the positive terminal first, then the negative terminal. Finally, reattach the fastening bolt of the lower plate and replace the plastic cover.


Updated on 18 July 2026 by ScegliAuto


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by ScegliAuto

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