FixVault

Sun Load Sensor Replacement

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Daytime Running Lamps (DRL) Ambient Light Sensor
GM1538932Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Air Defroster Outlet
2 Sun Load Sensor
Procedure: 
Disconnect the electrical connector.
3 Retaining Clip (Qty: 4)