2014 Jeep Wrangler Owner Manual - Page 594

592 MAINTAINING YOUR VEHICLE To minimize the possibility of catalytic converter damage: • Do not shut off the engine or interrupt the ignition, when the transmission is in gear and the vehicle is in motion. • Do not try to start the engine by pushing or towing the vehicle. WARNING! (Continued) do not open the hood until the radiator has had time to cool. Never try to open a cooling system pressure cap when the radiator or coolant bottle is hot. Engine Coolant Checks • Do not idle the engine with any spark plug wires disconnected or removed, such as when diagnostic Check the engine coolant (antifreeze) protection every 12 testing, or for prolonged periods during very rough months (before the onset of freezing weather, where applicable). If the engine coolant (antifreeze) is dirty or idle or malfunctioning operating conditions. rusty in appearance, the system should be drained, Cooling System flushed and refilled with fresh engine coolant (antifreeze). Check the front of the A/C condenser (if WARNING! equipped) or radiator for any accumulation of bugs, leaves, etc. If dirty, clean by gently spraying water from a You or others can be badly burned by hot engine coolant (antifreeze) or steam from your radiator. If garden hose vertically down the face of the A/C conyou see or hear steam coming from under the hood, denser (if equipped) or the back of the radiator core. (Continued)