
Warning: If the vehicle interior is exposed to moisture and becomes soaked up to the level of the sensing and diagnostic module (SDM), the SDM and SDM harness connector must be replaced. The SDM could be activated when powered, which could cause airbag deployment and result in personal injury.
Depending on the location of the waterleak, you may have to remove certain interior components in order to repair the leak.

Air Hose Test
Stationary Window Waterleak RepairInstallation Procedure
Cut the quarter outer panel in corresponding locations to fit the
remaining original panel. The sectioning joint should be trimmed to
allow a gap of one-and-one-half-times the metal thickness at the sectioning
joint.
Create a 50 mm (2 in) backing plate from the unused portion
&nbs ...
Quick Info
Quick Info gives access to quick information on Audio playing, OnStar Turn-by-Turn
route (if equipped), 5-day forecast, Nearby Fuel Stations, and Movie Show Times.
To access, press Quick Info on the Home Page or the INFO button on the faceplate.
Depending on the system and if the options are ...
Deployment Inside Vehicle - Vehicle Scrapping Procedure
Deploy the inflator modules inside of the vehicle when destroying the vehicle
or when salvaging the vehicle for parts. This includes, but is
not limited to, the following situations:
The vehicle has completed all useful life.
Irreparable damage occurred to the vehicle in a non-deployment ty ...