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2018 Ford Focus ST Owners Manual - Mild Hybrid Electric Vehicle (MHEV)



Owner’s Manuals 2018 Mild Hybrid Electric Vehicle (MHEV)

Mild Hybrid Electric Vehicle (MHEV)

WHAT IS AUTO-START-STOP



The system is designed to help reduce fuel consumption and CO2 emissions by stopping the engine when it is idling, for example at traffic lights or when your vehicle is coasting at a speed less than the engine stop speed that you have set.  See   Setting the Engine Stop Speed - Vehicles With: 4.2 Inch Instrument Cluster Display Screen.  The system is designed to stop the engine when the transmission is in gear or in neutral.

AUTO-START-STOP PRECAUTIONS



WARNING   WARNING:  Apply the parking brake, shift into neutral, switch the ignition off and remove the key before you leave your vehicle. Failure to follow this instruction could result in personal injury or death.
WARNING   WARNING:  Apply the parking brake, shift into neutral, switch the ignition off and remove the key before you open the hood or have any service or repair work completed. If you do not switch the ignition off, the engine could restart at any time. Failure to follow this instruction could result in personal injury or death.

 

SETTING THE ENGINE STOP SPEED - VEHICLES WITH: 4.2 INCH INSTRUMENT CLUSTER DISPLAY SCREEN



  1. Using the information display controls on the steering wheel, select Settings.
  1. Select Vehicle Settings.
  1. Select Rolling StartStop.
  1. Select a setting and press the OK button.

 

SETTING THE ENGINE STOP SPEED - VEHICLES WITH: 12.3 INCH INSTRUMENT CLUSTER DISPLAY SCREEN



  1. Press the menu button on the steering wheel to enter the information display main menu.
  1. Select Settings.
  1. Select Vehicle.
  1. Select Rolling StartStop.
  1. Select a setting and press the OK button.

 

SWITCHING AUTO-START-STOP ON AND OFF



The system turns on when you switch the ignition on.

Auto Start/Stop  Press the switch to switch the system off.

Note:   OFF illuminates in the switch.

Press the switch again to switch the system back on.

Note:   The system is designed to turn off if it detects a malfunction.If the system malfunctions, have your vehicle checked as soon as possible.

STOPPING THE ENGINE



Stopping the Engine in Gear

  1. Press the brake pedal and slow your vehicle down to 15 km/h (9 mph) or less.

Note:   You can set the speed at which the system stops the engine through the information display.

  1. Fully press the clutch pedal.

Note:   Power assist steering remains on when the engine stops.

Stopping the Engine in Neutral

  1. Press the brake pedal and slow your vehicle down to 15 km/h (9 mph) or less.

Note:   You can set the speed at which the system stops the engine through the information display.

  1. Press the clutch pedal and shift into neutral.
  1. Release the clutch pedal.

Note:   Power assist steering remains on when the engine stops.

RESTARTING THE ENGINE



Restarting the Engine in Gear

Release the brake pedal.

Restarting the Engine in Neutral

  1. Fully press the clutch pedal.
  1. Select a gear.

 

AUTO-START-STOP INDICATORS



WARNING   WARNING:  The system may require the engine to automatically restart when the auto-start-stop indicator illuminates green or flashes amber. Failure to follow this instruction could result in personal injury.

 

Auto Start/Stop   The Auto-Start-Stop indicator illuminates green when the engine stops. It flashes amber and a message appears when you need to take action.

Auto-Start-Stop Not Available Indicator  The Auto-Start-Stop indicator illuminates gray with a strikethrough when the system is not available.

Note:   You can display the reason why the system is not available in the information display.

AUTO-START-STOP AUDIBLE WARNING



The Auto-Start-Stop audible warning sounds if you open the driver door when the system has stopped the engine.

AUTO-START-STOP – FREQUENTLY ASKED QUESTIONS



Why does the engine not always stop when I expect it to?

The system is designed to work in a way that complements other vehicle systems, allowing them to operate at optimum performance.

The system does not stop the engine if:

  • The driver door is open.
  • The driver seatbelt is unfastened.
  • The engine is warming up.
  • The outside temperature is too low or too high.
  • The battery charge is low.
  • The battery temperature is outside the optimal operating range.
  • The engine is required to run to maintain interior climate and reduce fogging.

Why does the engine sometimes restart when I do not expect it to?

The system is designed to work in a way that complements other vehicle systems, allowing them to operate at optimum performance.

The system restarts the engine if:

  • You switch MAX A/C on.
  • You switch maximum defrost on.
  • Your vehicle starts to roll downhill in neutral.
  • The engine is required to run to maintain adequate brake system assistance.
  • The engine is required to run to maintain interior climate and reduce fogging.

Can I permanently switch the system off?

No.The system plays an important role in reducing the fuel consumption and the CO2 emissions.

Will the frequent engine starts cause parts to wear out?

Your vehicle has an enhanced battery and starter generator that are designed for the increased number of engine starts.

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