
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 ...
Rear Side Door Replacement
Preliminary Procedure
Remove the rear side door trim panel. Refer to Rear Side Door Trim
Replacement.
Rear Side Door Check Link Bolt
Caution: Refer to Fastener Caution in the Preface section.
Procedure
Remove the water deflector
Disconnect the door electrical connector.
Suppo ...
Steering Wheel Controls
Depending on the vehicle options, some audio functions can be controlled through
the steering wheel controls.
(Push to Talk): Press to interact
with Bluetooth or voice recognition.
(Mute/End Call): Press to decline
an incoming call, or to end a current call. Press to silence the vehicle ...