On vehicles with this
feature, the knob is
located on the front of the
driver seat lower cushion
on the inboard side.
Turn the knob clockwise or counterclockwise to increase or decrease the lumbar support.
Chevrolet Cobalt Owners Manual. Passenger Sensing System (With Turbo Engine)
If the vehicle has one of the passenger airbag status
indicators pictured in the following illustrations, then the
vehicle has a passenger sensing system for the right
front passenger position. If equipped, the passenger
airbag status indicator is visible on the instrument panel
when the vehicl ...