2014 Citroen DS5 HYBRID4 fuel pressure

9Familiarisation
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For economical driving, caring for the environment
The fuel consumption of a vehicle varies greatly : - according to the driver's style of driving (moderate, aggressive, fast, ...), - according to the type of journeys made (urban, main road, motor way, flowing, heavy traffic, …) and the speed.
Main recommendations for driving economically
Hybrid mode selector
To optimise fuel consumption, use the Auto mode of the selector whenever possible (the mode is activated automatically when starting) including for urban journeys. This mode optimises the use of the energy sources (internal combustion engine and/or electric) contrary to other modes, which are for use in particular cases.
Gear lever
Use the automatic mode A as much as possible as this optimises gear changes to suit the requirements.
Causes of high consumption and checks
As with any vehicle, limit overloading, wind resistance (windows open above 30 mph (50 km/h), roof bars, loaded or not, …), the use of power consumers (air conditioning, heated seats, heated rear screen, …). Observe the recommendations on checks (regular check of tyre pressures, correct tyre pressures, …) and routine servicing.
Drive smoothly
Stay in the "eco" zone displayed in the energy consumption / generation indicator: accelerate gently, drive at steady speeds using the speed limiter or cruise control as soon as possible. Use the "charge"zone: anticipate the need to slow down by taking your foot off the accelerator rather than braking. The movement of the energy consumption / generation indicator needle (into the "charge" zone), shows the level of energy recovery.
Consumption history
See the impact of your style of driving and the type of journey by reviewing the history of your energy consumption. Refer to the "Multifunction screens" section.

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Access
1. Opening the fuel filler flap. Tank capacity: approximately 60 litres.
Fuel tank
101
Unlocking
With the electronic key on your person and in the recognition zone A around the vehicle, pass A around the vehicle, pass Ayour hand behind the door handle to unlock the vehicle, then pull on the handle to open the door.
Locking
With the electronic key in the recognition zone A around the vehicle, press with a finger on the door handle (at the markings) to lock the vehicle.
Electronic key
82
A. Unlocking the vehicle. B. Locking the vehicle. C. Unlocking the boot and complete unlocking of the vehicle.
Keyless Entry and Starting
84
Boot
1. Unlocking the boot from inside: maintain pressure until the boot is heard to unlock.
93

47Hybrid system
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Eco-driving
Eco-driving is a range of everyday practices that allow the motorist to optimise their fuel consumption and CO2 emissions.
Eco-driving suited 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), run in electric mode as often as possible when driving at low speed. Anticipate the need to slow down and use engine braking ( CHARGE zone), so as to make use of free energy recovery while keeping light pressure on the accelerator pedal.
Before moving off, if the passenger compartment is too warm, ventilate it by opening the windows and air vents before using the air conditioning. Above 30 mph (50 km/h), close the windows and leave the air vents open. Remember to make use of equipment that can help keep the temperature in the passenger compartment down (sun roof and window blinds...). Switch off the air conditioning, unless it has automatic digital regulation, as soon as the desired temperature is attained. Switch off the demisting and defrosting controls, if not automatic. Switch off the heated seat as soon as possible.
Switch off the headlamps and front foglamps when the level of light does not require their use.
Avoid running the Diesel engine when stationary, particularly in winter; your vehicle will warm up much faster while driving.
As a passenger, if you avoid connecting your multimedia devices (film, music, video game...), you will contribute towards limiting the consumption of electrical energy, and so of fuel. Disconnect your portable devices before leaving the vehicle.
Control the use of your electrical equipment

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Observe the recommendations
on maintenance
Check the tyre pressures regularly, when cold, referring to the label in the door aperture, driver's side. Carry out this check in particular: - before a long journey, - at each change of season, - after a long period out of use.
Have your vehicle serviced regularly (engine oil, oil filter, air filter, passenger compartment filter...) and observe the schedule of operations recommended in the maintenance and warranty guide.
When refuelling, do not continue after the 3 rd cut-off of the nozzle to avoid any over flow.
At the wheel of your new vehicle, it is only after the first 1 800 miles (3 000 kilometres) that you will see the fuel consumption settle down to a consistent average.
At the end of winter, remove snow tyres and refit your summer tyres.
Spread loads throughout the vehicle; place the heaviest items in the bottom of the boot, as close as possible to the rear seats. Limit the loads carried in the vehicle and reduce wind resistance (roof bars, roof rack, bicycle carrier, trailer...). Use a roof box in preference. Remove roof bars and roof racks after use.
Limit the causes of excess
consumption

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Instrument panel
1. Energy consumption / generation indicator (available power as a percentage). For more information refer to the "Hybrid system" section. 2. Fuel gauge. 3. Engine coolant temperature gauge. 4. Speedometer (mph or km/h). 5. Cruise control or speed limiter settings.
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).
6. Gear engaged. 7. Instrument panel screen: electrical flow, trip recorder, alert messages or state of functions (e.g.: oil pressure, battery, door open, ...), trip computer, media, satellite navigation. 8. Digital speedometer (mph or km/h). 9. Ready lamp: indicates that the vehicle is ready to drive.
Dials and screens Control buttons

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Low fuel level fixed with the two last bars flashing, accompanied by a message and an audible signal.
When it first comes on there remains approximately 6 litres of approximately 6 litres of approximately 6 litres offuel in the tank.
You must refuel as soon as possible to avoid running out of fuel. This warning lamp will come on every time the ignition is switched on, accompanied by a message and an audible signal, until a sufficient addition of fuel is
made. This audible signal and message are repeated with increasing frequency as the fuel level drops and approaches "0". Fuel tank capacity: approximately 60 litres. Never continue to drive until you run out of fuel as this could damage the emission control and injection systems.
Warning / indicator lampStateCauseAction / Observations
Under-inflation fixed. The pressure in one or more wheels is too low. Check the pressure of the tyres as soon as possible. This check should preferably be carried out when the tyres are cold.
+ flashing then fixed, accompanied by the Service warning lamp.
The tyre pressure monitoring system has a fault or no sensor is detected on one of the wheels.
Under-inflation detection is not assured. Have the system checked by a CITROËN dealer or a qualified workshop.

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Tyre under-infl ation detection
System which automatically checks the pressures of the tyres while driving. The system continuously monitors the pressures of the four tyres, as soon as the vehicle is moving. A pressure sensor is located in the valve of a each tyres (except the spare wheel). The system triggers an alert if a drop in pressure is detected in one or more tyres.
This system does not avoid the need to check the tyre pressures regularly (including the spare wheel) and before a long journey. Driving with under-inflated tyres
adversely affects road holding, extends braking distances and causes premature tyre wear, particularly under arduous conditions (vehicle loaded, high speed, long journey).
The tyre pressures for your vehicle can be found on the tyre pressure label (see the "Identification markings" section). The tyre pressures must be checked when the tyres cold (vehicle stopped
for 1 hour or after driving for less then 6 miles (10 km) at moderate speed). Other wise, add 0.3 bar to the values indicated on the label.
Driving with under-inflated tyres increases fuel consumption.
The tyre under-inflation detection system is an aid to driving which does not replace the need for the driver to be vigilant or to drive responsibly.

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Identifi cation markings Various visible markings for the identification of your vehicle.
A.Vehicle Identification Number (VIN) under the bonnet. This number is engraved on the bodywork near the damper support.
The tyre pressures must be checked when the tyres are cold, at least once a month.
The rear quarter light cannot be etched as it is made of polycarbonate material.
B. Vehicle identification Number (VIN) on the windscreen lower cross member. This number is indicated on a self-adhesive label which is visible through the windscreen.
C. Manufacturer's label. The VIN is indicated on a self-destroying label affixed to the door aperture, on the passenger's side.
D. Tyre/paint label. This label is affixed to the centre pillar, on the driver's side.
It bears the following information: - the tyre inflation pressures with and without load, - the tyre sizes, - the inflation pressure of the spare wheel, - the paint colour code.
The use of snow chains is only authorised on the front wheels. The selector must be in 4WD mode.
If the tyre pressures are too low, this increases fuel consumption.