Chevrolet Aveo 2016 Owner's Handbook Manual page 301

Problems on the Road
CAUTION
The electric engine cooling fan
can start even if the engine is
not running. Be careful around
it.
If you see or hear steam coming
from the engine, stop and turn the
engine off. Do not open the hood
until the engine has cooled down.
. . . 300
If you get the overheat warning
with no sign of steam:
1. Pull over and stop the vehicle
as soon as it is safe to do so.
2. Turn off your air conditioner.
3. Run the engine at idle speed
for about 3 minutes.
The engine cooling fan should
be running.
NOTICE
Using the air conditioning while
driving up long hills or in heavy
traffic can make the engine
overheat.
If the fan is not operating and
steam is visible:
1. Turn off the engine.
2. Move away from the vehicle
without opening the hood.
3. Let the engine cool down.
4. When steam is no longer
visible, carefully open the
hood.
5. Have the vehicle serviced as
soon as possible.
CAUTION
Steam from an overheated
engine can burn you badly.
Stay away from the engine if
you see or hear steam coming
from it.