Pontiac 2005 Grand Prix - Manual (Page 341)

Headlamps and Sidemarker Lamps
1. Open the hood. See Hood Release on page 5-10 for
more information.
A. High-Beam Headlamp
B. Low-Beam Headlamp
C. Sidemarker Lamp
2. Pull up half-way on the plastic retaining clip while
pushing rearward on the headlamp.
Align the square cut-out on the retaining clip with
the notch on the headlamp.
5-51