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. Engine Assembly-Short Block R&R
Some manufacturer supplied short
block assemblies do not come equipped with crankshaft and dampener. In-block
cam short block assemblies may not include camshaft and timing gear. If
short block assembly does not come equipped with these components, install
components from orig ...