2013 Jeep Patriot Owner's Manual - Page 462

460 MAINTAINING YOUR VEHICLE WARNING! • The warning words "DO NOT OPEN HOT" on the cooling system pressure cap are a safety precaution. Never add engine coolant (antifreeze) when the engine is overheated. Do not loosen or remove the cap to cool an overheated engine. Heat causes pressure to build up in the cooling system. To prevent scalding or injury, do not remove the pressure cap while the system is hot or under pressure. • Do not use a pressure cap other than the one specified for your vehicle. Personal injury or engine damage may result. Disposal Of Used Engine Coolant 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 puddles on the ground. If ingested by a child or pet, seek emergency assistance immediately. Clean up any ground spills immediately. Coolant Level The coolant bottle provides a quick visual method for determining that the coolant level is adequate. With the engine idling and warm to normal operating temperature, the level of the engine coolant (antifreeze) in the bottle should be between the "ADD" and "FULL" lines shown on the bottle. The radiator normally remains completely full, so there is Used ethylene glycol-based engine coolant (antifreeze) is no need to remove the radiator cap unless checking for a regulated substance requiring proper disposal. Check the coolant freeze point or replacing the engine coolant with your local authorities to determine the disposal (antifreeze). Advise your service attendant of this. As