Stop-start system
The stop-start system helps reduce fuel consumption and exhaust emissions. The engine switches off automatically when the vehicle is moving at low speed or is stationary.
The engine will restart automatically when the clutch pedal is pressed.
Arming
The stop-start system is activated when the ignition is switched on.
Disarming

The stop-start system can be switched off manually by pressing the ECO button.
Switching off is indicated by the indicator light in the button going out.
Automatic engine stop
If the vehicle is moving at low speed or is stationary, the automatic engine stop function can be activated as follows:
- Move the gear lever to the N position.
- Release the clutch pedal.
The engine will switch off, but the ignition will remain on.

Engine switch-off is indicated by the tachometer needle moving to the AUTOSTOP position.
During automatic engine stop, the heating, power steering and brakes will continue to operate.
The air conditioning system may prevent the stop-start system from operating, depending on the cooling demand.
Conditions for automatic engine stop
- The stop-start system has not been switched off manually
- The engine hood is fully closed
- The driver's door is closed or the driver's seat belt is fastened
- The battery is sufficiently charged and in good condition
- The engine is warm
- The engine coolant temperature is not too low
- The ambient temperature is not too low
- Windscreen defrosting is not switched on
- The air conditioning system is not preventing engine stop
- The brake vacuum is sufficient
- The vehicle has moved since the last automatic engine stop
Restarting the engine by the driver
Press the clutch pedal to restart the engine.
Engine start is indicated by the tachometer needle moving to the idle speed position.
If the gear lever is moved to a position other than N before the clutch pedal is pressed, the indicator light will come on.
.
The light goes out when the clutch pedal is pressed.
Restarting the engine by the stop-start system
If one of the following conditions occurs during automatic engine stop, the engine will restart automatically via the stop-start system.
- The stop-start system is switched off manually
- The engine hood is opened
- The driver's seat belt is unfastened or the driver's door is opened
- The engine temperature becomes too low
- The battery becomes discharged
- The brake vacuum becomes insufficient
- The vehicle starts to move
- Windscreen defrosting is switched on
- The air conditioning system requests engine start
Test yourself
A quick Chevrolet Aveo quiz: every answer comes with an explanation and a link to the manual page.