Before leaving the vehicle, fully press the clutch pedal down, move the shift lever into R (Reverse), and firmly apply the parking brake. Once the shift lever has been placed in R (Reverse) with the clutch pedal pressed down, the ignition key can be turned to LOCK/OFF, then remove the key and release the clutch pedal.
See Manual Transmission Operation.
Chevrolet Cobalt Owners Manual. Accessory Power Outlet(s)
Accessory power outlets can be used to connect
electrical equipment, such as a cellular phone.
The accessory power outlet is located in the center
console, rearward of the shift lever.
To use the accessory power outlet, remove the cover.
When not in use, always cover the accessory power
outlet ...