2006 Buick LaCrosse Owner's Manual - Page 331

Power Steering Fluid See Engine Compartment Overview on page 5-12 for reservoir location. 5. Then fill the coolant recovery tank to the cold fill line. 6. Reinstall the coolant recovery tank cap and the pressure cap. 7. If the coolant in the recovery tank is constantly low, you should have your dealership service department inspect the vehicle for leaks. 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. 5-37