Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, 2019 Buick Regal, and 2018 Buick Regal TourX. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (3.6L LGX) , or Battery Negative Cable Disconnection and Connection (2.0L LTG)
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Engine Control Module Bracket (1) - Remove - Engine Control Module Replacement
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Retainer (2) - Unclip [2x]
Battery Distribution Fuse Block Cover (1) - Remove
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Battery Positive Post Clamp Nut (1) - Loosen
Retainer (2) - Unclip
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Battery Distribution Engine Compartment Fuse Block (1) - Reposition away
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Battery Hold Down Bolt (1) - Remove [2x]
Battery Hold Down Retainer Nut (2) - Remove
Battery Hold Down Retainer (3) - Remove
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{If equipped} Electrical Connector (1) @ Retainer (2) - Unclip
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Battery Cover (1) - Remove