Buick 2007 Terraza - Manual (Page 431)

5. Start the engine and let it run until you can
feel the upper radiator hose getting hot.
Watch out for the engine cooling fans.
6. By this time, the coolant level inside the
radiator filler neck may be lower. If the level is
lower, add more of the proper DEX-COOL
®
coolant mixture through the filler neck until the
level reaches the base of the filler neck.
7. Then replace the pressure cap. At any time
during this procedure if coolant begins to flow
out of the filler neck, reinstall the pressure
cap. Be sure the pressure cap is closed
properly.
8. Then fill the coolant recovery tank to the full
cold mark.
9. Put the cap back on the coolant recovery tank.
Filling the Coolant Recovery Tank
431