Buick 2007 LaCrosse Owner's Manual page 371

3.6L V6 Engine
A. Coolant Recovery Tank
B. Pressure Cap
C. Electric Engine Cooling Fans
CAUTION:
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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 recovery tank is
boiling, do not do anything else until it cools down.
The vehicle should be parked on a level surface.
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