Installation Procedure

Position the sunload sensor into the opening in the IP upper trim panel. Rotate the sensor clockwise to secure.
Position the DRL ambient light sensor into the opening in the IP upper trim panel. Rotate the sensor clockwise to secure.

Fig 1: Installing (DRL) Ambient Light Sensor & Sunload Sensor
Courtesy of GENERAL MOTORS CORP.
Align the upper trim locating pins and the retainers to the slots in the instrument panel.
Push forward and down on the IP upper trim panel to lock into place.
Install the windshield garnish molding. Refer to GARNISH MOLDING REPLACEMENT - WINDSHIELD PILLAR .

Fig 2: Installing IP Upper Trim Panel
Courtesy of GENERAL MOTORS CORP.