Your vehicle may have heated front seats. The switches are located on the instrument panel above the climate control system.
Press the side of the
switch with the double
indicator lights to turn on
the heated seat at the
highest setting.
Driver's Switch Shown,
Passenger's Switch
Similar
Both indicator lights will be lit to indicate that the setting is on high. Press the side of the switch with the single indicator light to go to the low setting. The indicator light will be lit to indicate that the setting is on low. Return the switch to the center to turn off the heated seat.
If your vehicle has been turned off, the last heated seat setting will be retained when the vehicle is started again.
Manual Lumbar
Reclining SeatbacksChevrolet Cobalt Service & Repair Manual. Crankshaft Main Bearing Clearance Measure
Method A
1.
Measure the crankshaft bearing journal
diameter with a micrometer in several places, 90 degrees apart.
Average the measurements.
2.
Measure the crankshaft bearing journal
taper and runout.
...