The control for this
feature is located on the
instrument panel to the
left of the steering wheel.
Turn the knob clockwise to brighten the lights or counterclockwise to dim the instrument panel lights, when the parking lamps or headlamps are on.
Chevrolet Cobalt Owners Manual. Enhanced Traction System (ETS) Indicator/Warning Light
For vehicles with the
Enhanced Traction
System (ETS), this light
serves as an indicator
and warning light.
This light comes on briefly while the engine is started.
If it does not, have the vehicle serviced by your
dealer/retailer. If the system is working normally the
indicator light then ...