Pontiac 2002 Grand Prix Owner's Manual page 244

2. Then keep turning the pressure cap, but now push
down as you turn it. Remove the pressure cap.
5-20
CAUTION:
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol
and it will burn if the engine parts are hot
enough. Don't spill coolant on a hot engine.
3. If you have the 3800 V6 engine, remove the
3800 Series II V6 engine cover shield to access
the bleed valve.