CITROEN C4 Aircross 2013 Owner's Handbook Manual page 49

Average fuel consumption
(l/100 km or km/l or mpg)
This is the average fuel
consumption calculated
since the trip computer was
last reset.
Average speed
(km/h or mph)
This is the average speed
calculated since the trip
computer was last reset.
Resetting the information to zero
When the required information is displayed,
press the INFO button for more than
two seconds to reset all of the information to
zero.
When the ignition is switched on, the zero reset
switches automatically from manual mode to
automatic mode.
Automatic
If the ignition key remains in the OFF position
for more than 4 hours, the information is reset
to zero automatically.
Current fuel consumption
(l/100 km or km/l or mpg)
This is the average fuel
consumption calculated over
the last few seconds.
This value may change following a
change in the style of driving or the relief.
If dashes "---" are displayed for long
periods in place of the digits while
driving, contact a CITROËN dealer or a
qualified workshop.
Monitoring
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