To lock the driver door from outside the vehicle, turn the key clockwise. Turn it counterclockwise to unlock.
The Remote Keyless Entry (RKE) transmitter can also be used to lock or unlock the doors.
From the inside, use the manual lock knobs on each door or use the power door locks.
Power Door Locks

This vehicle may have power door locks.
The controls are located
on the driver and front
passenger door armrests.
: Press to unlock the
doors.
: Press to lock the doors.
For more information see:
- Door Locks.
- Power Door Locks.
- Remote Keyless Entry (RKE) System Operation.
Remote Vehicle Start
Trunk ReleaseChevrolet Cobalt Owners Manual. Bluetooth®
Vehicles with a Bluetooth system can use a Bluetooth
capable cell phone with a Hands Free Profile to make
and receive phone calls. The system can be used while
the key is in ON/RUN or ACC/ACCESSORY position.
The range of the Bluetooth system can be up to 9.1 m
(30 ft). Not all phones support al ...