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. Dome Lamp Bulb, Replace
1.
Remove dome lamp lens (1) from dome
lamp, Fig. 1.
2.
Remove bulb (2) from dome lamp,
Fig. 1.
3.
Reverse procedure to install.
Fig. 1 Dome lamp bulb removal ...