CITROËN C4 PICASSO Handbook page 144

Driving
F Check that the symbol displayed in the
instrument panel agrees with the position
of the selector.
F Progressively release the brake pedal.
F If the parking brake is released, the vehicle
moves off.
If the parking brake is applied and
automatic operation is activated, accelerate
away.
If the brake does not release
automatically, check that the front doors
are correctly closed.
Never press the accelerator and brake
pedals at the same time. Braking and
acceleration should be done only with
the right foot. Pressing both pedals
together risks damaging the gearbox.
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When the engine is running at idle,
brakes released, if position R, D or M is
selected, the vehicle will move even if
the accelerator is not pressed.
Never leave children unsupervised in
the vehicle when the engine is running.
When carrying out a maintenance
operation with the engine running, apply
the parking brake and select position P.
Never select position N when driving.
If position N is engaged in error when
moving, allow the engine to idle, then
engage position D to accelerate.
Never select position P or R unless the
vehicle is at a complete stop with the
brake applied.
When you want to engage reverse,
to avoid jolts, do not accelerate
immediately after engaging R.
Changing into position R is
accompanied by an audible signal.