CITROËN C4 Handbook page 84

Ease of use and comfort
Driver's seat electric adjustments
The electrical functions of the driver's seat
are deactivated approximately one minute
after the ignition is switched off.
To reactivate them, switch on the ignition.
Forwards-backwards
F Push the control forwards or rearwards to
slide the seat.
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Before moving the seat backwards, ensure that there is nothing that might prevent the full
travel of the seat, so as to avoid the risk of of jamming the seat caused by the presence of
objects on the floor behind the seat or rear passengers. If the seat jams, stop the movement
immediately.
Cushion height and angle
F Tilt the rear part of the control upwards or
downwards to obtain the required height.
F Tilt the front part of the control upwards or
downwards to obtain the required angle.
Seat backrest angle
F Tilt the control forwards or rearwards to
adjust the angle of the seat backrest.