Citroen DS5 Hybrid4 (2016 year). Manual — part 22

11

Hybrid4 system

On starting and when stationary

There is no flow of energy; the Stop & Start alternator-starter
stops and restarts the HDi Diesel engine automatically,
whatever the operating mode selected.

Energy recovery

During this phase (deceleration, braking, foot off the
accelerator, … all modes), the high voltage battery is
recharged by the electric motor/generator, then being driven by
the rear wheels.
You can maximise this energy recovery by taking your foot off
the accelerator pedal; deceleration will be less marked than
with a conventional vehicle.

100% electric

In all electric running (AUTO or ZEV modes), only the electric
motor drives the vehicle, via the rear wheels, powered by the
high voltage battery.
The display of " Zero Emission " indicates that the HDi Diesel
engine is stopped and the vehicle is producing no CO

2

.

Fuel consumption histogram

(Only with touch screen)

This graph represents the history of average fuel
consumption figures.
It is accessible via the " Driving " menu of the touch
screen.
These figures are calculated over the last 30 minutes in
periods of 5 minutes.

60 % Hybrid Use corresponds to 60 % of the cumulative
running time with the addition of the Hybrid4 system and
40 % of the time with the Diesel engine only.

For more information on the trip computer, refer to the
corresponding section.

Fuel consumption

13

Hybrid4 system

Trip computer

System that gives you information on the current journey (range, fuel consumption…).

Instrument panel screen

Information display

) Press the end of the wiper control stalk to

display the various tabs in succession.

-

The current information tab with:
● the range,
● the current instantaneous fuel

consumption.

- Trip

"1" with:

● the average speed,
● the average fuel consumption,
for the first trip.

- Trip

"2" with:

● the average speed,
● the average fuel consumption,
for the second trip.

Trips "1" and "2" are independent but their use
is identical.
For example, trip "1" can be used for daily
figures, and trip "2" for monthly figures.

-

The energy flows.

Resetting the trip recorder

) When the desired trip is displayed, press

the end of the wiper control stalk for more
than two seconds.

Resetting the histogramme
(Only with touch screen)

) When trip "2" is displayed, press the end

of the wiper control stalk for two seconds to
reset the fuel consumption histogramme.

-

The radio or media playing.

- Navigation

instructions.

Touch screen

Information display

The current instantaneous fuel consumption tab with:
- the

range,

-

the current fuel consumption.

The trip "1" tab with:
-

the average speed,

-

the average fuel consumption,

for the first trip.

The trip "2" tab with:
-

the average speed,

-

the average fuel consumption,

for the second trip.

The energy flows.

The fuel consumption histogram.

Trip reset

) Select the " Driving " menu.

The trip computer information is displayed in
the primary page of the menu.
) Press one of the buttons to display the

desired tab.

) When the desired trip is displayed,

press the reset button or press and
hold the end of the wiper control stalk.

Trips "1" and "2" are independent but their use
is identical.
For example, trip "1" can be used for daily
figures, and trip "2" for monthly figures.

Resetting the histogram

) When trip "2" is displayed, pressing

the reset button also resets the fuel
consumption histogram.

1. "Instantaneous".
2. "Trip 1".
3. "Trip 2".
4. "Hybrid".
5. "Histogram".
6. "00.0 / Reset".

15

Hybrid4 system

Starting the Hybrid4 system

Activation of the Hybrid4 system

On activation of the Hybrid4 system, the
instrument panel lights up, the power indicator
needle is placed at position " 0 ". The steering
column automatically unlocks (perceptible
noise and movement of the steering column).
Depending on certain parameters, such as the
state of charge of the high voltage battery or
the ambient temperature, the Hybrid4 system
itself determines whether it is necessary to
start the HDi Diesel engine.
The mode selector is at the AUTO position.

In wintry conditions with the
engine cold, the Diesel pre-
heating warning lamp can stay
on for a few seconds; wait until
it goes off before releasing the
brake pedal.

Starting - switching off the Hybrid4 system

Never leave children alone inside the
vehicle when the Hybrid4 system is
active.

) Place the gear selector at position N .
) Insert the electronic key in the reader.

or

) With Keyless Entry and Starting, simply

having the electronic key inside the vehicle
is sufficient.

) Press the brake pedal firmly.
) Make a single short press (about one

second) on the " START/STOP " button.

) Maintain pressure on the brake pedal until

the READY lamp comes on, signalling
activation of the Hybrid4 system, confirmed
by an audible signal.

If the Hybrid4 system does not activate:
) If

N is flashing in the instrument

panel, move the gear selector to
position A then to position N .

) If the " Foot on the brake " is

displayed, press the brake pedal
firmly.

The READY lamp may come on after
a few seconds if there is a demand
for activation of the Hybrid4 system
after energy economy mode has been
entered.

Moving off

For more information on the
electric parking brake, refer to the
corresponding section in the handbook
for the vehicle.

You can change the operating mode of the
Hybrid4 system at any time using its mode
selector.
Driving in ZEV mode requires that particular
conditions be met.

When your vehicle vehicle moves off
in electric mode, it makes no noise. Be
very careful of pedestrians, cyclists...
as, because of this, they will not hear
you coming.

Head-up display

The colour of the speedometer varies
according to the drive train used:
-

white display: Diesel engine
running,

-

blue display: Diesel engine
stopped.

Using automatic mode with the
electronic gearbox optimises gear
changes and so gives more economical
driving.

) If automatic operation of the electric

parking brake has been deactivated, pull
then release the control lever to release the
parking brake manually.

) Progressively release the brake pedal.
) With the parking brake released, the

vehicle then moves off.

If the parking brake is still applied and is in
automatic mode, accelerate progressively.

) Move the gear selector to

position A (automatic mode) or M (manual
mode) or R (reverse).

17

Hybrid4 system

Switching off the Hybrid4 system

) Immobilise the vehicle.
) Place the gear selector in position N .
) Make a short press (about one second) on

the " START/STOP " button.

The Hybrid4 stops:
- the

READY lamp goes off,

-

the steering column locks,

-

the electric parking brake is applied
automatically, unless its automatic mode is
deactivated.

) Check that the parking brake warning

lamps are on.

) Remove the electronic key from the reader.

Before doing anything under the
bonnet, the Hybrid4 must be switched
off ( READY lamp off) and the electric
parking brake must be applied.

Check that the READY lamp is off
before leaving the vehicle.
Never leave the electronic key in the
vehicle in your absence.

For reasons of safety and theft protection,
do not leave your electronic key in the
vehicle, even when you are close to it.
It is recommended that you keep it on
your person.

Switching the ignition on

With the electronic key in the reader or the
Keyless Entry and Starting key inside the
vehicle, pressing the " START/STOP " button,
with no action on the brake pedal , allows the
ignition to be switched on.

) Press the " START/STOP "

button, the instrument panel
comes on but the Hybrid4 system
does not start up.

With the ignition on, the system goes
into energy economy mode when
necessary to maintain the state of
charge of the battery.

) Press this button again to switch off the

ignition and so allow the vehicle to be
locked.

Back-up starting / emergency switching off

Back-up starting with the

Keyless Entry and Starting

system

When the electronic key is in the recognition
zone and after pressing the " START/STOP "
button, the Hybrid4 system does not start up:
) Insert the electronic key in the reader.
) Place the gear selector at position N .
) Press the brake pedal firmly.
) Press the " START/STOP " button.
The Hybrid4 starts up; the READY lamp is on.

Electronic key not recognised

with Keyless Entry and Starting

If the electronic key is no longer in the
recognition zone when driving or when you
(later) request switching off of the Hybrid4
system, a message appears in the instrument
panel.

) Press and hold the " START/STOP " button

for about 3 seconds if you want to force the
Hybrid4 system to switch off.

In the event of an emergency only, the engine
can be switched of without any conditions.
) To do this, press and hold the " START/

STOP " button for about 3 seconds.

In this case the steering column locks as soon
as the vehicle stops.

The electronic key must always remain
inside the vehicle when in use.

Emergency switching off

Note that restarting will not be possible
without the presence of the electronic
key in the recognition zone.

19

Hybrid4 system

Mode selector

The selector allows the driver to select one of the four operating modes offered by the Hybrid4
system.
) Turn the dial to the right or left; the mode selected is confirmed by illumination of the

corresponding indicator lamp.

ZEV mode: for 100% electric running.

SPORT mode: to make use of the maximum
performance of the vehicle.

4WD mode: to force 4x4 drive in conditions of
poor grip.

AUTO mode: for everyday use and optimised
fuel consumption.

By default, the selector is in the AUTO position when starting the Hybrid4 system, whatever
position it was in when the ignition was switched off.

AUTO mode

This mode is designed to optimise the vehicle's
fuel consumption by managing the alternate
or simultaneous operation of the two motors
according to the conditions and driving style.
When conditions allow, an adequate battery
state of charge and moderate acceleration, the
alternator-starter motor stops the HDi Diesel
engine to provide 100% electric running.

ZEV mode
(all electric)

Zero emissions vehicle operation is assured
100 % by electric drive.
This mode allows silent and clean running at
moderate speeds.

It can be activated when the
conditions allow, particularly
if the state of charge of high
voltage battery is sufficient (from
4 bars).

In AUTO mode, the electric motor :
-

can power the vehicle on its own in "zero
emissions" electric running, depending
on the state of charge of the battery, if the
conditions specific to the vehicle are met
and if acceleration is moderate,

-

supplements the HDi Diesel
engine when moving off and changing
gear, during acceleration or when traction
from the front wheels is inadequate,
temporarily providing 4-wheel drive.

The electric motor can operate only at speeds
below 52 mph (85 km/h). It is no longer active
above 75 mph (120 km/h).

Refer to the special conditions for operation of
ZEV mode.

For more information on the special
conditions for the operation of ZEV
mode, refer to the corresponding
section.

If the conditions do not allow ZEV mode to be
selected or maintained, the message " Electric
mode is not currently available " appears in
the screen. The ZEV indicator lamp flashes for
a few seconds then goes off and the indicator
lamp in the AUTO position comes on.
In ZEV mode:
-

range and acceleration capacity are
limited; the maximum speed is around
36 mph (60 km/h),

-

under high load or a priority requirement
causing the start of the HDi Diesel engine,
the system changes automatically to AUTO
mode.

21

Hybrid4 system

This mode will be even more effective if
the vehicle is fitted with suitable tyres,
such as winter tyres.

SPORT mode
(Diesel and

electric)

4WD mode
(4-wheel drive)

This mode allows more dynamic driving by
providing additional performance .
By using the capacity of the electric motor
to supplement the power of the HDi Diesel
engine, the vehicle's full power is used for
acceleration and pick-up.
This mode manages the response of the
accelerator, the electronic gearbox and the use
of the electric motor.
In SPORT mode:
-

the electric motor as an addition is
available up to 75 mph (120 km/h).

This "4-wheel drive" mode provides additional
traction at low speed by driving all four wheels
of the vehicle simultaneously: the HDi Diesel
engine (front wheel drive) and the electric
motor (rear wheel drive) operate simultaneously
and permanently.
Their coupling is managed electronically to
optimise traction when grip is poor.
In 4WD mode:
-

the HDi Diesel engine operates
continuously; if necessary, it supplies
energy for the electric motor,

-

the additional traction from the electric
motor is available up to 75 mph (120 km/h).

This mode should be used on snow
covered roads or difficult ground (mud,
sand, ...), as well as for crossing a ford,
at moderate speed.
In this mode, in severe conditions
and if the circumstances allow, it is
recommended that you accelerate
strongly to facilitate moving off and
making progress and so reduce the risk
of getting stuck.

This mode is available whatever:
-

the state of charge of the high
voltage battery,

- the

altitude.

"ECO OFF" function

This function prevents the HDi Diesel engine being
switched off and ensures that a comfortable temperature
can be maintained in the passenger compartment.
This therefore allows the air conditioning or heating to be
kept running.
Depending on version, the control is either in
the switch panel alongside the steering wheel,
or in the " Driving " menu of the touch screen.

On pressing the ECO OFF switch, the
HDi Diesel engine restarts immediately and
then operates continuously.
The indicator lamp in the control comes on.

Pressing this control again deactivates the
function.
The indicator lamp in the control goes off.
The Hybrid4 system returns to normal
operation.

* Except in ZEV mode, which gives preference

to electric running over maintaining a
comfortable temperature.

The function is deactivated on
switching off the ignition.

During phases of electric running and
when the internal combustion engine is
stopped, the Hybrid4 system manages
restarting automatically to maintain
the temperature in the passenger
compartment * .
However, variations in temperature
may still be felt in very high ambient
temperatures.
In this case, activate the ECO OFF
function.

With the switch on the dashboard

) Press this switch.
Deactivation is confirmed by the illumination of
the indicator lamp in the control switch and the
display of a message.

Pressing the switch again reactivates the
system.
The indicator lamp in the switch goes off,
accompanied by the display of a message.

With the touch screen button

Pressing the button again reactivates the
system.
The indicator lamp for the button goes off,
accompanied by the display of a message.

) Select the "Driving" menu.

Deactivation is confirmed by the illumination of
the indicator lamp for the button and the display
of a message.

) In the page, press this button.

23

Hybrid4 system

Driving recommendations

Observe the driving regulations and remain
vigilant whatever the traffic conditions.
Pay close attention to the traffic and keep your
hands on the wheel so that you are ready to
react at any time to any eventuality.
On a long journey, a break every two hours is
strongly recommended.
In difficult weather, drive smoothly, anticipate
the need to brake and increase the distance
from other vehicles.

Driving on flooded roads

We strongly advise against driving on flooded
roads, as this could cause serious damage
to the internal combustion engine or electric
motor, the electronic gearbox, or the electrical
systems of your vehicle.

If you are obliged to drive through water:

-

check that the depth of water does not
exceed 15 cm, taking account of waves
that might be generated by other users,

-

place the mode selector in the 4WD
position,

-

drive as slowly as possible without
stalling. In all cases, do not exceed 6 mph
(10 km/h),

-

do not stop and do not switch off the
engine.

On leaving the flooded road, as soon as
circumstances allow, make several light brake
applications to dry the brake discs and pads.
If in doubt on the state of your vehicle, contact
a CITROËN dealer or a qualified workshop.

Important!

Never drive with the parking brake
applied - Risk of overheating and
damage to the braking system!
Do not park or run the engine when
stationary in areas where inflammable
substances and materials (dry grass,
dead leaves...) might come into
contact with the hot exhaust system
or certain components of the Hybrid4
system which can reach very high
temperatures - Risk of fire!

Never leave a vehicle unsupervised
with the engine running. If you have
to leave your vehicle with the engine
running, apply the parking brake
and put the electronic gearbox into
position N .

Eco-driving

Eco-driving is a range of everyday practices that allow the motorist to optimise their fuel
consumption and CO

2

emissions.

Adapted to your Hybrid4 vehicle

Use gear selector position A , as this optimises gear changes to suit the circumstances, and
the AUTO mode of the Hybrid4 mode selector.
When moving off, accelerate normally up to the desired speed ( POWER zone between 20
and 40 %).
At steady speeds, drive gently with small movements of the accelerator pedal ( ECO or
CHARGE zone), to allow running in electric mode when driving at low speed.
Anticipate the need to slow down and use engine braking ( CHARGE zone), so as to make
use of the recovery of "free" energy, while maintaining light pressure on the accelerator
pedal.

For information on other eco-driving practices, refer to the corresponding section of the
handbook for the vehicle.

25

Hybrid4 system

Special conditions for the operation of ZEV mode

ZEV mode can be selected when all of
the conditions for its operation are met, in
particular an adequate state of charge of the
battery (50% at least).
In the situations described below, the HDi
Diesel must be running; accordingly, ZEV
mode cannot be selected or is deactivated
automatically. The mode selector remains at or
returns to the AUTO position to allow starting of
the HDi Diesel engine.

-

Manual gear change when in automatic
mode using the steering mounted controls
for the electronic gearbox.

Cases of non availability of ZEV mode or automatic return

to AUTO mode

-

Selection of manual mode by moving the
gear selector for the electronic gearbox to
position M .

-

Sustained and sharp acceleration.

-

Use of demisting / defrosting.

-

Intensive use of air conditioning.

Action by the driver:

Unsuitable circumstances:

-

If the state of charge of the high voltage
battery is lower than 4 bars (equal to
50% charged). In AUTO mode, electric
operation is possible with a lower state of
charge.

-

When the speed of the vehicle exceeds
18 mph (30 km/h), if the internal combustion
engine has not already started at least once
since the Hybrid4 system was started.

-

When the fuel level enters the reserve
zone (illumination of the low fuel warning
lamp). Where this reserve is is being used
up quickly, ZEV may not be possible for
some time after refuelling.

-

During phases of regeneration of the
particle filter (FAP), which is automatically
triggered approximately every 300 miles
(500 kms) for a period of about 10 minutes.
During regeneration of the particle filter,
the particles a brought up to a high
temperature using the HDi Diesel engine;
A message is then displayed: " Electric
mode not available: FAP regeneration ".

Maintaining the performance of

the system:

-

If certain conditions or engine temperature
requirements needed by the HDi Diesel
engine are not met (for example, in wintry
conditions).

-

Following a prolonged period with the
vehicle parked in the sun.

-

When the state of charge of the high
voltage battery is close to the maximum
level (for example: when going down a long
hill using the electric motor for braking),
recovery of the vehicle's kinetic energy
being no longer possible, the HDI Diesel
engine restarts automatically just to
provide engine braking.

-

On a steep rising slope.

-

Driving at altitude.