Chevrolet Sonic Owner's Manual: Lockout Protection
If the driver side power door lock switch is pressed when the driver door is open and the key is in the ignition, all of the doors will lock and then the driver door will unlock.
If Unlocked Door Anti Lockout is turned on and: the vehicle is off, the driver door is open, and door locking is requested using a door lock switch or the RKE transmitter, all the doors will lock and only the driver door will unlock.
The Unlocked Door Anti Lockout feature can be turned on or off using the vehicle personalization menus. See Vehicle Personalization.
Lockout Protection can be manually overridden with the driver door open by pressing
and holding 
on the power door lock switch.
Automatic Door Locks
The vehicle is programmed so that when the doors are closed, the ignition is
on, and the shift lever is moved out of P (Park) for automatic transmissions, or
when the vehicle speed is above 13 km/ ...
Safety Locks
The rear door safety locks prevent passengers from opening the rear doors from
inside the vehicle.
Manual Safety Locks
If equipped, the safety lock is located on the inside edge of the rear door ...
Other materials:
Radio Antenna Replacement
Radio Antenna Replacement
Callout
Component Name
1
Radio Antenna
Procedure
Rotate the mast counterclockwise in order to release the mast from the
antenna base.
...
Instrument Panel Airbag Arming Status Display Replacement
Instrument Panel Airbag Arming Status Display Replacement
Callout
Component Name
Preliminary Procedure
Remove the heater and air conditioning control. Refer to Heater and Air
Conditioning Control Replacement.
...
Rear Compartment Lid Hinge Torque Rod Replacement
Rear Compartment Lid Hinge Torque Rod Replacement
Callout
Component Name
Warning: Refer to Hood Hold-Open Device Warning.
Preliminary Procedure
Open and support the rear compartment lid.
Special Tools
BO-125 ...
0.0055