Cooling System - Jeep Commander Owner's Manual

To minimize the possibility of catalytic converter dam-
age:
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.
Do not idle the engine with any spark plug wires
disconnected or removed, such as when diagnostic
testing, or for prolonged periods during very rough
idle or malfunctioning operating conditions.
MAINTAINING YOUR VEHICLE 431

Cooling System

WARNING!
You or others can be badly burned by hot engine
coolant (antifreeze) or steam from your radiator. If
you see or hear steam coming from under the hood,
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
Check the engine coolant (antifreeze) protection every
12 months (before the onset of freezing weather, where
applicable). If the engine coolant (antifreeze) is dirty or
rusty in appearance, the system should be drained,
flushed and refilled with fresh antifreeze/coolant. Check
the front of the A/C condenser for any accumulation of
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