2016 Peugeot 508 Hybrid start stop button

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Hybrid4 system
508HY-comp_en_Chap00b_hybrid_ed01-2016
Mode selector
AUTO mode: for everyday use and optimised fuel consumption.
ZEV mode: for 100% electric running.
SPORT mode: to make use of the maximum per formance of the vehicle.
4WD mode: to force 4x4 drive in conditions of poor grip.
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.
By default, the selector is in the AUTOposition when starting the HYbrid4 system, whatever position it was in when the ignition was switched off.
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.
Note that restarting will not be possible without the presence of the electronic key in the recognition zone.

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.Hybrid4 system
508HY-comp_en_Chap00b_hybrid_ed01-2016
"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.
The function is deactivated on switching off the ignition.
With the touch screen button
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
Pressing this switch again reactivates the system. The indicator lamp in the switch goes off, accompanied by the display of a message. The HYbrid4 system returns to normal operation.
* Except in ZEV mode, which gives preference to electric running over maintaining a comfortable temperature.
Pressing this button again reactivates the system. The indicator lamp in the button goes off, accompanied by the display of a message. The HYbrid4 system returns to normal operation
 Press this switch. Deactivation is confirmed by the illumination of the indicator lamp in the switch and the display of a message. The HDi Diesel engine then restarts immediately and operates continuously.
 Select the "Driving" menu.
 In the page, press this button.
Deactivation is confirmed by the illumination of the indicator lamp in the button and the display of a message. The HDi Diesel engine then restarts immediately and operates continuously.

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7
Practical information
508HY-comp _en_Chap07_info-pratiques_ed01-2016
Car washing machine or tunnel
With the HYbrid4 system active, RE ADY lamp on, parking brake RE ADY lamp on, parking brake RE ADYreleased:  Place the gear selector in position N .  Switch off the engine (press the START/STOP button or with the vehicle's key if it does not have Keyless Entry and Starting). The parking brake is applied automatically and the RE ADY lamp goes off in the instrument panel. RE ADY lamp goes off in the instrument panel. RE ADY Switch on the ignition again (press the START/STOP button
or with the key in the intermediate position) without your foot on the brake pedal. The RE ADY lamp remains off. RE ADY lamp remains off. RE ADY Release the parking brake using the manual control on the centre console, while keeping your foot on the brake pedal.  Switch off the ignition (press the START/STOP button without your foot on the brake pedal, or using the key) after checking that the parking brake remains released.
With the HYbrid4 system active, RE ADY lamp on, parking brake RE ADY lamp on, parking brake RE ADYreleased:  Place the gear selector in position N ( AUTO m o d e).  Press the brake pedal then the ECO OFF button.
If the HDI Diesel engine was on standby, it then restarts. If the HDi Diesel engine is running, its operation is maintained without time limit.
Car washing machines or tunnels in which the HDi Diesel engine must be switched off. Car washing machines or tunnels in which the HDi Diesel engine must not be switched off.
Some car washing machines or tunnels (where the vehicle is moved for wards on a travelling track) require that the parking brake be "released" during the wash. If possible on your vehicle, deactivate the automatic operation of the electric parking brake via the vehicle equipment configuration menu.

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Frequently asked questions
508HY-comp_en_Chap13_questions_ed01-2016
Air conditioning / Heating
QuestionAnswer
It seems to me that the vehicle runs less on electric when the heating or air conditioning is operating, is that right?
The demand for heating or air conditioning may require the starting of the HDi Diesel engine until the desired level of comfort is attained. Normal operation of the HYbrid4 system is simply put back. The period can be longer under very low or very high ambient temperatures.
It seems to me that when it is very hot and the air conditioning is working, the vehicle runs on electric for shorter periods. Is that right?
When it is hot, the periods when the HDi Diesel engine is put on standby and the vehicle runs on electric are necessarily restricted in order to limit the difference between the temperature in the vehicle and the level of comfort selected. In very hot weather, it is possible to press the " ECO OFF " button (which brings the vehicle out of ZEV mode and prevents electric running or the stopping of the engine) to give preference to temperature control (keeps the air conditioning running).
M i s c e l l a n e o u s
QuestionAnswer
Is towing possible with my HYbrid4 vehicle? For information on the towing ability of your HYbrid4 vehicle, refer to " Weights and towed loads" in the "Technical data" section. This allows a jet ski or two-wheeler on a trailer to be towed, for example. This limit is related to maintaining adequate cooling capacity for the HDi Diesel engine as well as the components of the HYbrid4 system that are also cooled by the engine's cooling system.
Why does engine braking seem so strong? If the high voltage battery is not fully charged, the engine braking results mainly from the energy recovery by the electric motor. The power of this engine braking is higher than that of an internal combustion engine.