Pontiac 2004 Bonneville Owner's Manual page 86

Emergency Trunk Release Handle
2-18
Notice: Using the emergency trunk release handle
as a tie-down or anchor point when securing
items in the trunk may damage it. Use the
emergency trunk release handle only to help you
open the trunk lid.
There is a glow-in-the-dark emergency trunk release
handle located in the trunk near the trunk latch. This
handle will glow following exposure to light. Pull the
release handle up to the open the trunk from the inside.