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:
Lap-Shoulder Belt
All seating positions in the vehicle have a lap-shoulder belt.
The following instructions explain how to wear a lap-shoulder belt properly.
1. Adjust the seat, if the seat is adjustable, so you can sit up straight. To
see how, see “Seats” in the Index.
2. Pick up the latch plate and pull ...
SiriusXM Radio Messages
UPDATING: The encryption code in the receiver is being updated, and no action
is required. This process should take no longer than 30 seconds.
NO SIGNAL: The system is functioning correctly, but the vehicle is in a location
that is blocking the SiriusXM signal. When the vehicle is moved into an ...
Seat Adjustment
Manual Seats
To adjust a manual seat:
Pull the handle at the front of the seat.
Slide the seat to the desired position and release the handle.
Try to move the seat back and forth to be sure it is locked in place.
See Seat Adjustment.
Seat Height Adjuster
...
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