
Going into engine STOP mode
The "ECO" warning lamp
comes on in the instrument panel and the engine goes into standby:
- with a manual gearbox , at speeds below 12 mph (20 km/h), when you put the gear lever into neutral, and you release the clutch pedal, - with an electronic gearbox , at speeds below 5 mph (8 km/h), when you press the brake pedal or you put the gear lever into position N .
Going into engine START mode

The "ECO" warning lamp goes off and the engine restarts:
- with a manual gearbox, when you press the clutch pedal, - with an electronic gearbox: ● with the gear lever in position A or M, when you release the brake pedal, ● or with the gear lever in position N and brake pedal released, when you move the gear lever to position A or M, ● or when you engage reverse.

Deactivation / Reactivation
You can deactivate the system at any time by pressing the "ECO OFF" button; the button's warning lamp comes on.
The system is automatically reactivated every time the engine is started with the key.
Before refuelling or doing anything under the bonnet, you must switch off the ignition with the key.
Chevrolet Sonic. Personalization Menu (Radio without Touchscreen)
Use the audio system controls to access the personalization menus for customizing
vehicle features.
The following are all possible personalization features. Depending on the vehicle,
some may not ...
Chevrolet Sonic. OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect
to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic
Services.
The OnStar system s ...
Chevrolet Sonic. Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission,
axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service Bullet ...