Buick 2007 Rendezvous - Manual (Page 387)

8. 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 arrows on the pressure cap
line up properly.
9. Then fill the coolant recovery tank to the full
cold mark.
10. Put the cap back on the coolant recovery tank.
Power Steering Fluid
See Engine
Compartment
Overview on page 364
for reservoir location.
When to Check Power Steering Fluid
It is not necessary to regularly check power steering
fluid unless you suspect there is a leak in the
system or you hear an unusual noise. A fluid loss
in this system could indicate a problem. Have the
system inspected and repaired.
Filling in the Coolant Recovery Tank
387