If your vehicle has power door locks, it will have this feature. If you press the power door lock switch when the key is in the ignition and any door is open, all the doors will lock and the driver's door will unlock.
Be sure to remove the key from the ignition when locking your vehicle.
The lockout protection can be overridden by pressing and holding the power door lock in the lock position for three seconds.
Rear Door Security Locks (Sedan)
TrunkChevrolet Cobalt Owners Manual. Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL) can make it easier for
others to see the front of your vehicle during the day.
DRL can be helpful in many different driving conditions,
but they can be especially helpful in the short periods
after dawn and before sunset. Fully functional daytime
running lamps are ...