CITROEN C5 AIRCROSS Handbook page 154

Driving
This function is primarily suitable for driving on
motorways and main roads.
Conditions for operation
- The adaptive cruise control must be active.
- The vehicle must be travelling in a traffic
lane clearly delimited by lines on both sides.
- The ESC system must be operating.
- The ASR/DSC systems must not be
deactivated.
- No trailer detected.
- A spare wheel of the "space-saver" type
must not be in use.
- The vehicle must not be subject to strong
lateral accelerations.
- The direction indicators must not be
activated.
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Activation/Deactivation
The state of the system stays in the
memory when the ignition is switched off.
F With the adaptive cruise control activated, press this
button.
The action is confirmed by:
- Illumination of the indicator lamp in the button in green.
- Display of the following symbol in the instrument panel.
The colour of the symbol depends on the
operating state of the system:
(grey colour)
At least one of the operating
conditions is not met, the system is
paused.
(green colour)
All operating conditions are met, the
system is active.
(orange colour)
The system has a fault.
If the driver no longer wishes to benefit from
the system for a while, they can deactivate it by
pressing the button again.
The indicator lamp in the button goes off and
the symbol disappears from the instrument
panel.
Cruise control
The driver must hold the steering wheel
properly.
When cruise control is activated, the symbol is
displayed in green: by small steering actions,
the system directs the vehicle and keeps it in
the position chosen by the driver, in the traffic
lane.
The driver can feel movements in the steering
wheel.
This position is not necessarily the centre of
the lane.
The driver can change the position of the
vehicle at any time, by turning the steering
wheel. When the driver feels that the vehicle's
position is appropriate, whilst keeping hands
on the steering wheel, they must release the
pressure to let the system resume control of the
steering, but the vehicle is not centred within
the lane automatically.