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Headlamp Control Module Replacement

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
GM3818909Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Quarter Stowage Pocket Door Replacement (Left Side)
1 Headlamp Control Module Nut [2x]
CAUTION:

Refer to Fastener Caution


Tighten 
6 N.m (53 lb in)
2 Headlamp Control Module

Procedure

  1. Disconnect the electrical connector.
  2. For programming and setup, if required. Control Module References