Pontiac 2007 Solstice Owner's Manual page 263

2.0L L4 Engine
A. Coolant Surge Tank and Pressure Cap
B. Electric Engine Cooling Fan (Out of View)
CAUTION:
{
An electric engine cooling fan under the
hood can start up even when the engine is
not running and can injure you. Keep
hands, clothing, and tools away from any
underhood electric fan.
If the coolant inside the coolant surge tank is
boiling, do not do anything else until it cools down.
The vehicle should be parked on a level surface.
263