The driver's seat height adjuster is located on the outboard side of the seat.
To raise the seat, move the lever upward repeatedly until the seat is at the desired height. To lower the seat, move the lever downward repeatedly until the seat is at the desired height.
Chevrolet Cobalt Owners Manual. Sensing System for Passenger Airbag
The passenger sensing system, if equipped, will turn off
the right front passenger frontal airbag under certain
conditions. The driver airbags and roof-rail airbags are
not affected by this.
If the vehicle has a passenger sensing system, the
passenger airbag status indicator will be visible on ...