2007 Chevrolet Impala Owner's Manual - Page 334

2. Then keep turning the pressure cap and remove it. {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. Do not spill coolant on a hot engine. 3. Fill the cooling system with the proper DEX-COOL® coolant mixture, up to the base of the filler neck. See Engine Coolant on page 323 for more information about the proper coolant mixture. 4. Rinse or wipe any spilled coolant from the engine and the compartment. 5. Then fill the coolant recovery tank to the cold fill line. 6. Install the coolant recovery tank cap and the pressure cap. After a day or two of driving, when the engine is cold, check the coolant level in the recovery tank. If it is low, refill it to the cold fill line. If the coolant in the recovery tank is constantly low, you should have a dealership service department inspect the vehicle for leaks. 334