2015 Jeep Patriot Owner Manual - Page 500

498 MAINTAINING YOUR VEHICLE Disposal Of Used Engine Coolant Used ethylene glycol-based engine coolant (antifreeze) is a regulated substance requiring proper disposal. Check with your local authorities to determine the disposal rules for your community. To prevent ingestion by animals or children, do not store ethylene glycol-based engine coolant in open containers or allow it to remain in When additional engine coolant (antifreeze) is needed to puddles on the ground. If ingested by a child or pet, seek maintain the proper level, it should be added to the emergency assistance immediately. Clean up any ground coolant bottle. Do not overfill. spills immediately. Points To Remember Coolant Level NOTE: When the vehicle is stopped after a few miles/ The coolant bottle provides a quick visual method for kilometers of operation, you may observe vapor coming determining that the coolant level is adequate. With the from the front of the engine compartment. This is norengine idling and warm to normal operating tempera- mally a result of moisture from rain, snow, or high ture, the level of the engine coolant (antifreeze) in the humidity accumulating on the radiator and being vaporbottle should be between the "ADD" and "FULL" lines ized when the thermostat opens, allowing hot engine shown on the bottle. coolant (antifreeze) to enter the radiator. The radiator normally remains completely full, so there is no need to remove the radiator cap unless checking for the coolant freeze point or replacing the engine coolant (antifreeze). Advise your service attendant of this. As long as the engine operating temperature is satisfactory, the coolant bottle need only be checked once a month.