2016 Citroen DS5 HYBRID battery

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 It is no longer active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.

21Hybrid4 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.

25Hybrid4 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 reser ve
zone (illumination of the low fuel warning
lamp). Where this reser ve 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.

27Hybrid4 system











200 V high voltage battery


The Ni-Mh (Nickel-Metal Hydride) technology
used for the high voltage battery is suited to
the frequent partial charging and discharging
cycles related to the operation of a hybrid
vehicle.
The battery is installed close to the electric
motor, below the boot trim, behind the storage
well.


Charging


The battery recharges automatically while
travelling.
The battery is charged when the vehicle
decelerates and when going downhill, the
electric motor then becomes a generator and
conver ts kinetic energy into electrical energy
(except if the speed of the vehicle is above
70 mph (120 km/h)).
This recovery allows the use of "free" energy.
The battery may also be partially charged up
to a level of 4 to 5 bars, using the alternator-
starter motor (Stop & Start) of the HDi Diesel
engine.
The average state of charge is 4 to 5 bars, so
preser ving a margin for energy recovery when
deceleration or going downhill (free energy).

To preser ve the ser vice life of the
battery, the level of charge never
falls below 20%, even if no bars are
displayed on the gauge after ZEV

running.
Where the battery is close to maximum,
vehicle deceleration with your foot off
the accelerator pedal will be at a lower
level.
The battery charging time is very short.
Once it is discharged, following ZEV
running
or high load, the battery will reach its optimum
level of charge after around 10 minutes.

The battery is not recharged from a
mains power supply.

Safety warnings related to high voltage


The voltage used for the operation of
the electric motor is in the range 150 to
270 Volts.
Do not handle the components of the high
voltage system (identified by the orange
colour): risk of electrocution and burns!
High voltage cables are routed under the
vehicle (sills); take care not to damage them
when the vehicle is used for off-road activity
(such as covering rough ground).

Before doing any
work on the vehicle,
switch off the ignition
( READY
lamp off).


Take care to position lifting equipment
( jack, hoist, ...) at the locations provided to
avoid damaging the cables.

Never touch, dismantle, remove or
replace the high voltage parts, orange
cables or connectors, even in the event of
an accident.

To avoid any risk to the environment,
the high voltage battery must be
recycled in an appropriate manner.
Contact a CITROËN dealer or a
qualified workshop.

Be sure to take account of the warning
labels present on the vehicle.
Battery electrolyte is very corrosive: risk of
burns.
No sparks or naked flames.
Do not burn or heat.
Keep out of reach of children.
Do not spray or pour fluids: risk of damage
to the battery.


Emergency cut-off

In the event of an accident, a safety
system automatically cuts-off the high
voltage system and the fuel supply.
The Hybrid4 system can no longer be
started.
You must then contact a CITROËN
dealer or a qualified workshop.


Operations on the
battery

The high voltage battery must not in
any circumstances be charged from an
external power supply and must only
be handled by a qualified technician
at a CITROËN dealer or a qualified
workshop.
Incorrect handling may lead to serious
burns, as well as electric arcs that could
cause serious injury or even death.

29Hybrid4 system
This ventilation system does not operate at
the same speed at all times: it is continuously
adjusted to suit the cooling requirements of the
battery.
The noise of its operation can be heard,
particularly at the rear, after the Hybrid4 system
is switched off (post-ventilation).









Ventilation of the high voltage battery


Safety recommendations

Do not obstruct the air intake with
objects such as clothes or bags, in
order to avoid any risk of the battery
overheating, which could cause a loss
of per formance of the Hybrid4 system,
even damage to the battery.
Do not spill fluids, as this may damage
the battery and cause a short-circuit.






The high voltage battery has an air cooling
system.
This comprises an air intake (located on
the side of the left hand rear seat) and a fan
(located behind the left hand boot trim panel).

35Driving

Stopping the vehicle
Operating fault


Before leaving the vehicle, check that
the parking brake lamps are on (not
flashing) in the instrument panel and in
the control lever.

To immobilise the vehicle without
applying the parking brake, before
switching off the ignition, place the gear
selector in position A
or R
.
If the battery is flat, it is essential
to place a chock against one of the
wheels to immobilise the vehicle.

Before switching off the Hybrid4 system, place
the gear selector in position N.
When switching off the Hybrid4 system, the
electric parking brake is applied automatically.
If the automatic function is deactivated, apply
the parking brake manually to immobilise the
vehicle.

Never leave children unsuper vised in
the vehicle with the Hybrid4 system
active.

For your safety, this function will only
be activated if you press the brake
pedal when engaging for ward drive or
reverse.
This function is deactivated if the
driver's door is opened. To reactivate
it, close the door and then press the
brake or accelerator pedal.


Creep function

This function facilitates manoeuvring of the
vehicle at low speed (when parking, in traffic
jams, …).
With the Hybrid4 hybrid system active, the
vehicle stationary and the parking brake
released:


)
press the brake pedal,

)
place the gear selector in position A
, R
or
M
,

)
gradually release the brake pedal.
The vehicle moves off immediately and
gradually reaches a speed of approximately
6 mph (10 km/h), with pressing the accelerator
pedal.
With the ignition on, the
flashing of this warning lamp,
accompanied by an audible
signal and a message
in the instrument panel screen, indicates a
malfunction of the gearbox.
Have it checked by a CITROËN dealer or a
qualified workshop.