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.
Chevrolet Cobalt Owners Manual. Door Locks
To lock the driver door from outside the vehicle, turn the
key clockwise. Turn it counterclockwise to unlock.
The Remote Keyless Entry (RKE) transmitter can also
be used to lock or unlock the doors.
From the inside, use the manual lock knobs on each
door or use the power door locks.
Power Door ...