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. Transmission Oil Cooler Line, Flush
Warning: Wear eye protection.
Wear standard industrial rubber gloves.
Warning: Keep lit cigarettes,
sparks, flames, and other ignition sources away from the area to prevent
the ignition of combustible liquids and gases. Keep a "Class B" fire
extinguisher ...