Oldsmobile 2001 Silhouette Owner's Manual page 378

Headlamps
1. Open the hood.
2. Remove the front turn signal/parking lamp assembly.
See "Front Turn Signal/Parking/Sidemarker Lamps"
later in this section.
3. Remove the two wing nuts located on top of the
headlamp assembly.
4. Unscrew the black retainer ring that holds the bulb
assembly in place.
5. Pull the bulb assembly straight up from the
lamp housing.
6. Unhook the electrical connector by lifting up the
blue tabs and pulling the bulb out.
6-37