2007 Buick LaCrosse Owner's Manual - Page 375

2. Then keep turning the pressure cap, but now push down as you turn it. Remove the pressure cap. 3. Open the coolant air bleed valve located on the thermostat housing, near the upper radiator hose. See Engine Compartment Overview on page 350 for more information on location. 4. Fill the radiator with the proper DEX-COOL® coolant mixture, up to the base of the filler neck. See Engine Coolant on page 363 for more information about the proper coolant mixture. If you see a stream of coolant coming from the air bleed valve, close the valve. Otherwise, close the valve after the radiator is filled. 5. Rinse or wipe any spilled coolant from the engine and the compartment. 6. Then fill the coolant recovery tank to the cold fill line. 375