Ford Mondeo Owner's Manual page 141

Low engine operating temperature.
Low brake system vacuum.
If a road speed of 5 km/h (3 mph) has
not been exceeded.
To re-start the engine
Note: The gear lever must be in the neutral
position.
Depress the clutch pedal.
The system may automatically restart the
engine under certain conditions, for
example:
Low battery voltage.
To maintain the interior climate.
Start-Stop
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