
Turning the ignition key to MAR, the multifunction display shows the message “Check active”: the diagnostic phase of all the electronic systems on the car has started. This lasts few seconds: if no faults are detected, when the engine has started, the display shows the “Check OK” message. See section “Warning lights and messages” if faults are found.

Chevrolet Sonic. Windows
Manual Windows
If equipped, use the window crank to open and close each window.
See Manual Windows.
Power Windows
If equipped, press the switch down to open the window. Pull the front of the
s ...
Chevrolet Sonic. Engine Compartment Overview
1.4L L4 Engine
1. Engine Air Cleaner/Filter.
2. Engine Oil Dipstick. See Engine Oil.
3. Engine Cooling Fan (Out of View). See Cooling System.
4. Engine Oil Fill Cap. See Engine Oil.
5. Engine C ...
Chevrolet Sonic. Radio Reception
Frequency interference and static can occur during normal radio reception if
items such as cell phone chargers, vehicle convenience accessories, and external
electronic devices are plugged into th ...