Pontiac 2007 G6 - Manual (Page 115)

There is a glow-in-the-dark emergency trunk
release handle located inside the trunk on
the trunk latch. This handle will glow following
exposure to light. Pull the release handle up
to open the trunk from the inside.
Windows
{ CAUTION:
Leaving children, helpless adults, or pets
in a vehicle with the windows closed is
dangerous. They can be overcome by the
extreme heat and suffer permanent
injuries or even death from heat stroke.
Never leave a child, a helpless adult, or a
pet alone in a vehicle, especially with the
windows closed in warm or hot weather.
115