GM Repairer Insights: Summer 2026

I-CAR · August 17, 2026 · General Motors, Cadillac

Summary

The Summer 2026 edition of GM Repair Insights highlights repair considerations for the 2026 Cadillac Optiq-V EV and addresses a critical concern regarding the improper installation of rear radar modules. It warns that incorrect installation can disable or impair key ADAS features like Side Blind Zone Alert, Lane Change Alert, and Rear Cross Traffic Alert.

What to do on the job

Perform a visual inspection of rear radar sensors mounted behind the rear bumper to ensure correct installation and prevent ADAS system impairment.

How to use it

Use this document to justify the labor time required for meticulous visual inspections and precise alignment of rear radar modules during bumper reassembly. It serves as official GM documentation proving that even minor installation errors can completely disable or impair critical safety systems like SBZA, LCA, and RCTA.

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