Accident With Side Seat Air Bag Deployment - Component Replacement and Inspections

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

After a collision involving driver/passenger side seat air bag deployment, replace the following components.

Left/right side impact sensors on the side of the impact.
Left/right roof rail air bag on the side of the impact.
Inflatable Restraint Sensing and Diagnostic Module (SDM), if the Inflatable Restraint Sensing and Diagnostic Module has set DTC B0052 and will not clear.
Inflatable Restraint Seat Belt Anchor and/or Retractor Pretensioner.
Driver or passenger seat back cushion cover replacement.

WARNING:

Do not repair or replace the seat stitching or seams in the seat back trim cover with an internal mounted seat side airbag module. Replace the complete seat back trim cover from the OEM. Non-OEM seat stitching may cause improper airbag deployment which could result in personal injury.

Perform additional inspections on the following components.

Mounting points or mounting hardware for the side impact sensors, and driver/passenger side seat air bags on the side of impact - Inspect for any damage and repair or replace each component as needed.
Mounting points, mounting hardware, headliner and trim pieces for the left/right roof rail air bag on the side of impact - Inspect for any damage and repair or replace each component as needed.
Mounting points or mounting hardware for the Inflatable Restraint Sensing and Diagnostic Module and seat belt anchor and/or retractor pretensioners - Inspect for any damage and repair or replace each component as needed.
The seat cushion frame
The seat recliner and cover, if equipped
The seat adjuster
The seat back frame
Door trim assembly
Impacted seat cushion side covers and switches