2003 Pontiac Montana Owner's Manual - Page 356

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. Don't spill coolant on a hot engine. I I 4. Fill the radiator with the proper DEX-COOL@ coolant mixture, up to the base of the filler neck. See Engine Coolant on page 5-23 for more information about the proper coolant mixture. If you see a stream of coolant coming from an air bleed valve, close the valve. Otherwise, close the valves atter the radiator IS tliled. 3. After the engine cools, open the coolant air bleed valves. There are two bleed valves. One is located on the thermostat housing. The other is located on the thermostat bypass tube. 5. Rinse or wipe any spilled coolant from the engine and the compartment. 5-35