
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 RepairQuick 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 ...
Windows
WARNING
Never leave a child, a helpless adult, or a pet alone in a vehicle, especially
with the windows closed in warm or hot weather.
They can be overcome by the extreme heat and suffer permanent injuries or even
death from heat stroke.
The vehicle aerodynamics are designed to improve fuel ...
Thread Inserts
General Purpose Thread Repair Kits.
These kits are available commercially.
Repair Procedure
Warning: Refer to Safety Glasses Warning in the Preface section.
Note: Refer to the thread repair kit manufacturer's instructions
regarding the size of the drill and tap to use. Avoid any buildup ...