Dodge 2011 Durango User Manual page 70

WHAT TO DO IN EMERGENCIES
Driving with a hot cooling system could damage your vehicle. If the temperature
gauge reads HOT (H), pull over and stop the vehicle. Idle the vehicle with the
air conditioner turned off until the pointer drops back into the normal range. If
the pointer remains on HOT (H), and you hear continuous chimes, turn the
engine off immediately and call for service.
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.
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CAUTION!
WARNING!