2015 Citroen DS5 HYBRID4 Owner's Manual

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ALPHABETICAL INDEX
4 Presentation
8 Instrument panel
9 READY lamp
9 Power indicator
10 Display of energy fl ows
12 Fuel consumption histogramme
13 Trip computer
15 Starting / switching off
19 Mode selector
22 ECO OFF function
23 Driving recommendations
24 Eco-driving
25 Special aspects of ZEV mode
27 High voltage battery
30 Underbonnet
HYBRID4 SYSTEMPRACTICAL INFORMATION COMFORT
32 Car washing machine or tunnel
33 Temporary puncture repair kit
34 Recovery on a fl at-bed
34 Snow chains
TECHNICAL
DATA
35 Electric motor
36 Diesel engine
37 Diesel weights
FREQUENTLY ASKED QUESTIONS
31 Boot fi ttings
38
41

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Presentation of the Hybrid4 system
The Hybrid4 technology associates two sources of power: an HDi Diesel engine, which drives the front wheels and an electric motor, which drives the rear wheels. These two motors can operate alternately or simultaneously, according to the Hybrid4 operating mode selected and the driving conditions. The electric motor alone provides power for the vehicle in ZEV (Zero Emissions Vehicle) mode, and in AUTO mode when running at slow speed and under low load. The electric motor also assists the HDi Diesel engine when moving off, accelerating and changing gear. The electric motor is powered by a high voltage battery that is recharged during phases of deceleration as well as, up to a certain threshold, by the HDi Diesel engine.
1. HDi Diesel engine (driving the front wheel). 2. Electric motor (driving the rear wheels). 3. 200 V high voltage battery. 4. Electronic power supervisor.
5. Alternator-starter motor (Stop & Start). 6. Electronic gearbox (ETG6). 7. Electrical flow. 8. M o d e s e l e c t o r .

5Hybrid4 system
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Main parts of the Hybrid4 system
The HDi Diesel engine (1), located at the front,
drives the front wheels and provides most of the power needed to drive the vehicle.
The electric motor (2) , located at the rear
of the vehicle, drives the rear wheels on its own, or supplements the HDi Diesel engine, according to the Hybrid4 operating mode selected. This electric motor also manages the recovery of energy, the charging of the batteries during phases of deceleration of the vehicle. It is active up to 70 mph (120 km/h).
The 200 V high voltage batter y (3) , using Ni-MH technology, stores and delivers the energy needed for operation of the electric motor. Its state of charge is managed automatically by the electric motor during phases of deceleration or by the HDi Diesel engine below a certain threshold. This high voltage battery is located in a special compartment under the boot floor. Access to it is strictly restricted to technicians at a CITROËN dealer or a qualified workshop.
The state of charge of the high voltage battery is represented graphically by bars. See the "Display of energy flows" section.
Your Hybrid4 vehicle is fitted with effective emissions control systems, including the Par ticle Filter (FAP) . During particle filter regeneration phases, the HDi engine is called on to produce the temperatures needed for combustion of the particles. Electric running is temporarily unavailable and is accompanied by the display of a message " Electric mode not available: FAP regeneration in progress " .

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The electronic power super visor (4)
manages the operation of the two power units, HDi Diesel and electric, giving priority to low fuel consumption.
The alternator-starter motor (5) assures the
Stop & Star t function, which allows the HDi Diesel engine to be put into standby when the vehicle is at a standstill (traffic lights, a stop, or in a traffic jam...) or during phases of running in 100% electric mode. The stopping and restarting of the HDi Diesel engine is done automatically and instantly without any action on the part of the driver. This alternator-starter motor also provides additional charging of the high-voltage battery by the HDi Diesel engine, if this not sufficiently charged, or in 4WD mode for example.
The 12 V batter y , located under the bonnet, 12 V batter y , located under the bonnet, 12 V batter y
powers the vehicle's conventional electrical system. It is used for starting the HDi Diesel engine and the operation of the vehicle's equipment, such as the lighting, wipers, audio system... This 12 V battery is recharged automatically by the high voltage network.

7Hybrid4 system
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Compared to a manual gearbox, the ETG6
electronic gearbox (6) provides, in automatic mode, significant savings in fuel consumption, through the electronic management of gear changes.
The mode selector (8) allows selection of the
four operating modes offered by the Hybrid4 system: - AUTO mode, which optimises fuel consumption by automatically managing the alternate or simultaneous use of the two motors, - ZEV (Zero Emissions Vehicle) mode, which provides 100% electric drive, when the driving conditions and the state of charge of the battery permit, - SPORT mode, which provides more dynamic driving with additional performance, - 4WD (4 Wheel Drive) mode, which improves traction at low speed when grip is poor (snow, mud, sand...).

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Instrument panel
* By successive presses on the end of the wiper control stalk.
1. Power indicator (%). Display of the percentage of the total power available supplied by the Hybrid4 system, or the energy recovered. 2. Selector position and gear engaged for the electronic gearbox or gear shift indicator. 3. Speed limiter or cruise control settings. 4. READY lamp: indicates that the vehicle is ready to drive.
Control buttons Dials and screens
A. Main lighting and controls dimmer. B. - Successive short presses: under-inflation detection, recall servicing information, alert log. - Long press: reset the function selected to zero (service indicator or trip recorder).
5. Engine coolant temperature gauge (°Celsius). 6. Analogue speedometer (mph or km/h). 7. Digital speedometer (mph or km/h). 8. Fuel gauge. 9. Instrument panel screen: - permanent display of distance recorders, and, as desired * : trip computer, energy flows, current media playing or navigation instructions, - temporary display: service indicator, engine oil level indicator, alert messages.

9Hybrid4 system
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When the Hybrid4 system is started, this indicator lamp comes on to signal that the vehicle is ready to move off.
Illumination of this indicator lamp is more or less instant but may take a few seconds in some cases (pre-heating the HDi Diesel engine in cold weather or in energy economy mode...).

READY lamp
Never leave the Hybrid4 system on when leaving the vehicle, or opening the bonnet, refuelling... Before leaving the vehicle, ensure that the RE ADY lamp is off. RE ADY lamp is off. RE ADY
better energy recovery). This allows the high voltage battery to be recharged using "free" energy which can then be reused for future energy requirements.
CHARGE zone
POWER zone
Indicates an increased cumulative power demand from your vehicle, taking account of the combined power available from the HDi Diesel engine and the electric motor.
Power indicator
The indicator dial displays information on the total power used in real time, combining electric and Diesel. It comprises three operating zones.
Indicates that the vehicle is optimising its energy consumption , electric, Diesel or a combination of both.
ECO zone
This zone corresponds to phases of electric running as well as to phases of optimum use of the HDi Diesel engine, which are easily accessible with a suitable driving style (smooth "eco-citizen" driving).
Indicates that the vehicle is in
an electrical energy recoveryphase: on deceleration, braking (partially or particularly with your foot off the accelerator, to use in preference as this gives

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Display of energy fl ows
Display of fl ows in the instrument panel
Hybrid4 modes
1. Hybrid4 mode selected ( AUTO , ZEV , ZEV , ZEVSPORT or 4WD ) . 2. "Zero Emission" messages if the HDi Diesel engine is stopped (0 g/km CO2) .
Display of fl ows in the touch screen tablet
Information on the hybrid mode selected ( 1, 2 ), arrows for energy flows ( 6 to 8 ) and the state of charge of the high voltage battery ( 4 ), is displayed in real time in the instrument panel screen or the the touch screen tablet. See the "Trip computer" section.
Vehicle infrastructure
3. HDi Diesel engine. 4. State of charge of the high voltage battery. 5. Electric Motor/Generator.
Operation / Energy flows
6. The HDi Diesel engine supplies the battery (as needed). 7. Arrow from left to right: the battery powers the electric motor (when the electric motor is operating). Arrow from right to left: the electric motor/generator recharges the battery (energy recovery phases). 8. The HDi Diesel engine drives the front wheels. 9. The electric motor drives the rear wheels.