CITROEN C4 Cactus Handbook & Instructions page 159

F Remove the cap and place it on the
support on the inner face of the flap.
F Introduce the filler nozzle and push it in as
far as possible before starting to refuel (risk
of blowback).
F Maintain this position throughout the
refuelling operation.
Once you have finished refuelling:
F Refit the filler cap.
F Turn the key to the right, then remove it
from the cap.
F Push the fuel flap to close it.
If you are filling your tank to the top, do
not persist after the 3rd cut-off; this could
cause malfunctions.
The petrol or Diesel engine of your vehicle is
fitted with a catalytic converter, a device which
helps to reduce the level of harmful emissions
in the exhaust gases.
For petrol engines, you must use unleaded
fuel.
The filler neck is narrower, allowing only
unleaded petrol nozzles to be introduced.
If you have put in the wrong fuel
for your vehicle, you must have the
fuel tank drained and filled with
the correct fuel before starting the
engine.
Practical information
Fuel cut-off
Your vehicle is equipped with a safety device
which cuts off the fuel supply in the event of a
collision.
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