Staff Answer
Aug 17, 2026 - 10:51 AM
Trunk compartment lighting operation and rear cargo visibility on the 2023 Cadillac CT5 are governed by trunk lid latch microswitches, cargo bay LED fixtures, and body control circuits.
How to Fix It:
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Open the Trunk: Lift the trunk lid fully to automatically trigger the rear cargo light switch and illuminate the storage area.
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Check Latch Switch: Inspect the trunk latch mechanism if the light fails to turn on when opened, ensuring the ajar sensor is functioning correctly.
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Replace Bulbs if Needed: Swap out faulty cargo light bulbs with matching LED units if the housing fails to illuminate during night access.
For troubleshooting codes and feature guides, visit the complete https://www.autouserguide.com/cadilla...
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