If your vehicle has power locks, it has a programmable automatic door unlock feature.
The doors can be programmed through the Driver Information Center (DIC) to automatically unlock several ways. See DIC Vehicle Personalization for more information.
Automatic Door Lock
Rear Door Security Locks (Sedan)Chevrolet Cobalt Service & Repair Manual. Air Gap, Adjustment
1.
Evacuate system as outlined under "Refrigerant
Recovery" in "General Service" on main menu selection.
2.
Raise and support vehicle.
3.
Remove righthand front fender inner
liner sc ...