Ford Mondeo Owner's Handbook Manual page 150

Adaptive cruise control (ACC)
If no vehicle is detected in front, then only
your vehicle is displayed in the information
display below the bars. The system will
maintain the set speed when conditions
permit. The set gap is maintained and
displayed.
If a vehicle is detected by the sensor, the
display will show another vehicle above
the horizontal bars:
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This is a follow mode, and the system will
accelerate or decelerate as necessary to
maintain the set gap.
Press switch E to decrease the gap or
switch D to increase the gap. The gap
selected will be represented by the
number of bars in the display. The
recommended gap setting is three to five
bars.
Note: The gap setting is time dependant
and therefore the distance will
automatically adjust with your speed. For
example on a gap setting of three bars,
the time gap is 1.8 seconds. This will mean
that at a speed of 100 km/h (62 mph), the
distance to the vehicle in front will be
maintained at 50 metres (164 feet)
CAUTION
Use the appropriate gap setting in
accordance with local traffic
regulations.
Cancelling ACC
Press either the brake or clutch pedal, or
switch B. The system will return to
standby mode but will retain the set
speed and gap in the memory. The ACC
indicator will go off.
Resuming ACC
Press the RES switch. The ACC indicator
illuminates and the system will resume
with the previously set speed and vehicle
gap setting if conditions permit.
Switching ACC off
Press switch A.
Note: Pressing switch A does not return
the system to standby mode. The stored
speed is not retained.
Note: To temporarily deactivate the
system press switch B.
Automatic deactivation
The system is dependent on various other
safety systems, for example ABS and
ESP. If any of these systems are
malfunctioning or reacting to an
emergency, the system is automatically
deactivated.
In the event of automatic deactivation a
signal will sound and the message ACC
cancel is displayed in the information
display. You must then intervene and
adapt your driving and speed to vehicles
in front.
An automatic deactivation can be due to
the:
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