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June 14, 2021 Service bulletin

This service bulletin provides information for dealers/technicians on headlamp beam shadow appearance,...

Cadillac technical service bulletin 21NA137 for 2020-2021 Cadillac CT4.

Bulletin number
21NA137
Component
Exterior lighting: headlights
Summary
This service bulletin provides information for dealers/technicians on headlamp beam shadow appearance, and/or driver side to passenger side beam appears unlevel.

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