In addition to the trunk release button on the Remote Keyless Entry (RKE) transmitter, the trunk can be opened from inside the vehicle by pressing the remote trunk release button. This button is located inside the driver storage compartment, on the left side of the instrument panel.
See Trunk.
Door Locks
WindowsChevrolet Cobalt Service & Repair Manual. Rear Bumper Fascia Bracket
Removal
1.
Remove rear bumper fascia as outlined
in Rear Bumper Fascia.
2.
Remove rear bumper fascia side bracket
bolts (1), Fig. 1.
3.
Remove rear bumper fascia side bracket
(2).
...