2017 Citroen GRAND C4 PICASSO ECU

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Display in the instrument panel
1. Indication of the speed limit. or
2.
I

ndication of the end of the speed limit.
Display of the speed
The system is active but is not detecting speed
limit information.
On detection of speed limit information, the
system displays the value. The driver can, if desired, adjust the
speed of the vehicle according to the
information given by the system.
The system is activated or deactivated in the
Driving menu of the touch screen.
Select the " Vehicle settings " tab, then
" Security " and "Recommended speed
display ".
Activation / Deactivation
It is necessary to update your
navigation mapping regularly in order to
receive accurate information on speed
limits from the system.
4
Driving

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On sharp acceleration, as when
descending a steep hill, the speed
limiter will not be able to prevent
the vehicle from exceeding the
programmed speed.
The limiter is temporarily deactivated
and the displayed programmed speed
flashes.
An audible signal accompanies the
flashing of the programmed speed
when exceeding the speed is not due to
an action by the driver.
The use of mats not approved by
CITROËN may inter fere with the
operation of the speed limiter.
To avoid any risk of jamming of the
pedals:
-
e
nsure that the mat is secured
c o r r e c t l y,
-

d
o not fit one mat on top of another.
Flashing of the dashes indicates a fault with the
speed limiter.
Have it checked by a CITROËN dealer or a
qualified workshop.
Operating fault
F Press
f irmly on the accelerator pedal,
going beyond the point of resistance ,
to
exceed the programmed speed limit.
The speed limiter is deactivated temporarily
and the displayed programmed speed flashes.
An audible signal accompanies the flashing
of the programmed speed when exceeding
the speed is not due to an action by the driver
(steep hill...).
As soon as the vehicle's speed returns to the
programmed value, the limiter operates again:
the display of the programmed speed becomes
steady again.
Switching off Temporarily exceeding the
programmed speed
F Turn the thumbwheel 1 to the "0" position. T
he display of speed limiter information
disappears.
Driving

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Flashing of the dashes indicates a fault with the
cruise control.
Have it checked by a CITROËN dealer or a
qualified workshop.
Operating faultWhen the cruise control is switched on,
be careful if you maintain the pressure
on one of the programmed speed
changing buttons: this may result in a
very rapid change in the speed of your
vehicle.
Do not use the cruise control on
slippery roads or in heavy traffic.
On a steep descent, the cruise control
will not be able to prevent the vehicle
from exceeding the programmed speed.
On steep climbs or when towing, the
programmed speed may not be reached
or maintained.
The use of mats not approved by
CITROËN may inter fere with the
operation of the cruise control.
To avoid any risk of jamming of the
pedals:
-
e
nsure that the mat is secured
c o r r e c t l y,
-

n
ever fit one mat on top of another.
4
Driving

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In the event of a fault with the dynamic cruise
control, you are alerted by an audible signal
and the display of the message "Driving aid
functions fault".
Have the system checked by a CITROËN
dealer or a qualified workshop.
When the cruise control is working, take
care if making a maintained press on
one of the cruise control programmed
speed modification buttons: this can
lead to a very quick change in the
speed of your vehicle.
Do not use the dynamic cruise control
on slippery sur faces or in heavy traffic.
When descending a steep hill, the
cruise control may not be able to
prevent the vehicle from exceeding the
programmed speed.
When ascending a steep hill or when
towing, it might not be possible to attain
or maintain the programmed speed.
Operating fault
The operation of the radar, located in
the front bumper, may be disturbed by
accumulations of dirt (dust, mud, etc.)
or in certain weather conditions (snow,
ice, etc.).
The message "SYSTEM INACTIVE:
Visibility reduced" is displayed to signal
that the system has been put into
st a n dby.
Clean the front bumper regularly.
When painting or touching up the
paint on the front bumper, consult
a CITROËN dealer or a qualified
workshop. Certain types of paint could
hinder the operation of the radar.
The use of mats not approved by
CITROËN may inter fere with the
operation of the cruise control.
To avoid any risk of jamming the pedals:
-

e

nsure that mats are secured
c o r r e c t l y,
-

n

ever fit one mat on top of another.
Driving

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Operating fault
In the event of a fault with the cruise
control, you are alerted by the
illumination of this warning lamp
and the display of a message in the
instrument panel, accompanied by an
audible signal.
The cruise control operates by day and at night, in fog or moderate rainfall.
However, it is strongly recommended that you always keep a safe distance from vehicles
ahead, depending on the driving conditions, the weather and the road sur face.
Use the cruise control only where the driving conditions allow running at a constant speed
and at an adequate safe distance.
Do not use the cruise control in urban areas, heavy traffic, on winding or steep roads, on
slippery or flooded sur faces, in snow, if the front bumper is damaged or if the brake lamps
are faulty.
In certain circumstances, it may not be possible for the speed setting to be maintained or
even attained: loaded vehicle, ascending a steep hill, etc.
The system is not intended for the following situations:
-

t

he front end of the vehicle has been modified (addition of driving lamps, paint on the
bumper),
-

d

riving on a racing circuit,
-

r

unning on a rolling road,
-

u

se of snow chains, non-slip covers or studded tyres. Have the system checked by a CITROËN
dealer or a qualified workshop.
The operation of the radar, located in the front bumper, may be disturbed by accumulations
of grime (dust, mud...) or in certain weather conditions (snow, ice...).
The message "SYSTEM INACTIVE: Visibility reduced" is displayed to signal that the system
has been put into standby.
Clean the front bumper regularly.
When painting or touching up the paint on the front bumper, consult a CITROËN dealer or a
qualified workshop. Certain types of paint could hinder the operation of the radar. The use of mats not approved by CITROËN may inter fere with the operation of the cruise
control.
To avoid any risk of jamming the pedals:
-

e

nsure that mats are secured correctly,
-

n

ever fit one mat on top of another.
4
Driving

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Fatigue detection system
It is recommended that you take a break as soon as you feel tired or at least every two hours.
Depending on version, the function either has the "Driving time warning" only, or this combined with the "Fatigue detection system".
Driving time warning
The system triggers an alert once it detects that
the driver has not taken a break after two hours
of driving at a speed above 40 mph (65 km/h).
This alert takes the form of the display of a
message encouraging you to take a break,
accompanied by an audible signal.
If the driver does not follow this advice, the
alert is repeated hourly until the vehicle is
stopped.
The system cannot in any
circumstances replace the need for
vigilance on the part of the driver.
Do not take the wheel if you are tired.
As soon as the speed of the vehicle
drops below 40 mph (65 km/h), the
system goes into standby.
The driving time is counted again once
the speed is above 40 mph (65 km/h).
The system resets itself if one of the following
conditions is met:
-

e
ngine running, the vehicle has been
stationary for more than 15 minutes,
-

t
he ignition has been switched off for a
few
m

inutes,
-

t
he driver's seat belt is unfastened and
their door is open.
The system is activated or deactivated in the
touch screen tablet.
Activation / Deactivation
In the Driving
menu, select the " Vehicle
settings " tab, then " Security" and "Fatigue
Detection System ".
Driving

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General safety recommendations
Labels are applied at various
points on your vehicle. They carry
safety warnings as well as vehicle
identification information. Do not
remove them: they form an integral part
of your vehicle.
For any work on your vehicle, use
a qualified workshop that has the
technical information, skills and
equipment required, all of which a
CITROËN dealer is able to provide.We draw your attention to the following points:
- The fitting of electrical equipment or accessories not listed by CITROËN may cause
excessive current consumption and faults and failures with the electrical system of
your vehicle. Contact a CITROËN dealer for information on the range of recommended
accessories.
-

A
s a safety measure, access to the diagnostic socket, used for the vehicle's electronic
systems, is reserved strictly for CITROËN dealers or qualified workshops, equipped
with the special tools required (risk of malfunctions of the vehicle's electronic systems
that could cause breakdowns or serious accidents). The manufacturer cannot be held
responsible if this advice is not followed.
-

A
ny modification or adaptation not intended or authorised by Automobiles CITROËN
or carried out without meeting the technical requirements defined by the manufacturer
would lead to the suspension of the legal and contractual warranties.
Installation of accessory radio communication transmitters
Before installing a radio communication transmitter, you must contact a CITROËN dealer
for the specification of transmitters which can be fitted (frequency, maximum power,
aerial position, specific installation requirements), in line with the Vehicle Electromagnetic
Compatibility Directive (2004/104/EC).
Depending on the legislation in force in the country, certain safety equipment may be
compulsory: high visibility safety vests, warning triangles, breathalysers, spare bulbs, spare
fuses, fire extinguisher, first aid kit, mud flaps at the rear of the vehicle...
6
Safety

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Hazard warning lamps
Visual warning with all of the direction
indicators flashing to alert other road users to a
vehicle breakdown, towing or accident.
F
P
ress this button, all of the direction
indicators flash.
They can operate with the ignition off.
Automatic operation of
hazard warning lamps
When braking in an emergency, depending on
the deceleration, the hazard warning lamps
come on automatically.
They switch off automatically the first time you
accelerate.
F

Y
ou can also switch them off by pressing
the button.
Horn
F Press the central part of the steering wheel.
Safety