CITROEN C3 Picasso 2011 Owner's Handbook Manual page 136

Repair procedure
1. Sealing
Switch off the ignition.
Turn the selector A to the
"sealant" position.
Check that the switch B is in
position "O" .
Avoid removing any foreign bodies
which have penetrated into the tyre.
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P R A C T I C A L I N F O R M A T I O N
Uncoil the white pipe G fully.
Unscrew the cap from the white pipe.
Connect the white pipe to the valve
of the tyre to be repaired.
Take care, this product is harmful
(e.g. ethylene-glycol, colophony...)
if swallowed and causes irritation
to the eyes.
Keep it out of reach of children.
Connect the compressor's electric
plug to the vehicle's 12 V socket.
Start the vehicle and leave the engine
running.
Do not start the compressor before
connecting the white pipe to the tyre
valve: the sealant product would be
expelled through the pipe.