TechnicianVision · Knowledge base
GM Repair Insights: Winter 2026
I-CAR · February 17, 2026 · Chevrolet, GMC, Buick, Cadillac
Summary
The Winter 2026 GM Repair Insights magazine highlights repair requirements for the 2027 Chevrolet Bolt and provides critical guidelines for short- and long-range radar sensors. It emphasizes wheel alignment nuances, radar software verification, strict sensor tolerances, paint thickness limitations, and mounting height thresholds.
What to do on the job
Verify radar modules have the newest software before replacement, maintain a +/- 4-degree sensor tolerance, adhere to GM paint guidelines over radars, and ensure mounting heights remain between 350 mm and 850 mm.
How to use it
Use this document to justify line items for pre-replacement software checks on radar modules, specialized refinishing procedures on bumper covers in front of radar sensors, and wheel alignments. It also serves as a reference to defend ADAS safety checks on vehicles with aftermarket modifications like lift kits.
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