Cooling System (4.6L V8 Engine) - Buick Lucerne 2007 Owner's Manual

Cooling System (4.6L V8 Engine)

When you decide it is safe to lift the hood, here is
what you will see:
A. Coolant Surge Tank with Pressure Cap
B. Electric Engine Cooling Fans
360
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.