WARNING   WARNING:  Always switch the ignition off and fully apply the parking brake before carrying out any maintenance or leaving your vehicle. Failure to follow this instruction could result in personal injury or death if the engine restarts.

Principle of Operation
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. Your vehicle has an enhanced battery and starter motor that are designed for an increased number of engine starts.
The system does not stop the engine under certain conditions, for example:
  • If you have opened the driver door.
  • If you have unfastened the driver seatbelt.
  • If your vehicle is at high altitude.
  • If you have switched the heated windshield on.
  • If you have shifted into sport (S).
  • If your vehicle is on a steep grade.
  • If the engine is warming up.
  • If the outside temperature is too low or too high.
  • If the battery charge is low or the battery temperature is outside the optimal operating range.
  • To maintain the interior climate or reduce fogging.
  • If you have turned the steering more than 90 degrees.
The system restarts the engine under certain conditions, for example:
  • If you have opened the driver door.
  • If you have unfastened the driver seatbelt.
  • If you switch the heated windshield on.
  • If you switch maximum defrost on.
  • If your vehicle starts to roll downhill in neutral.
  • To maintain adequate brake assistance.
  • To maintain the interior climate or reduce fogging.
Note:   The blower motor speed could change when the system restarts the engine.
Using Auto-Start-Stop
WARNING   WARNING:  Apply the parking brake and shift into park (P) before leaving your vehicle.

Stopping the Engine
Stop your vehicle and keep your foot on the brake pedal and the transmission in drive (D).
Note:   The engine stops if you shift into park (P) or neutral (N) regardless of whether you have your foot on the brake pedal or not.
Note:   Power assist steering turns off when the engine is off.
Restarting the Engine
  • Release the brake pedal.
  • Press the accelerator pedal.
  • Shift into drive (D), reverse (R) or sport (S).
Switching the System On and Off
Auto Start/Stop  The system turns on when you switch the ignition on. Press the switch to switch it off.
Note:   OFF illuminates in the switch.
Press the switch again to switch the system back on.
The auto-start-stop indicator illuminates green when the engine stops. It flashes amber and a message appears when you need to take an action.
Auto-Start-Stop Not Available Indicator  The auto-start stop indicator illuminates grey with a strike out when the system is not available.
Note:   The system turns off when it detects a malfunction. If it remains off, have your vehicle checked as soon as possible.
Information Messages

Message   Condition   Action  
Auto StartStop Press Brake to Start Engine
The system needs to restart the engine but requires your confirmation.   Press the brake pedal to restart the engine.  
Auto StartStop Shift to P, then Restart Engine
The system is not functioning.   Shift into park (P) and restart the engine yourself.  

Replacing the Battery
Replace the battery with one of exactly the same specification for the system to function correctly.

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