How do you change shift solenoid on 2005 Chevy Cobalt 2.2?

To change the shift solenoid on a 2005 Chevy Cobalt 2.2, first, ensure the vehicle is safely lifted and supported. Disconnect the battery, then remove the transmission pan to access the solenoid. Unplug the electrical connector from the solenoid, remove the retaining bolts, and replace the old solenoid with a new one. Finally, reassemble the transmission pan, reconnect the battery, and check for proper operation.