Locking a door
Push the lock tab forward.
Unlocking a door
Pull the lock tab rearward.
Using the Lock Tab
When you lock the door using the lock tab on the driver’s door, all of the other doors lock at the same time.
When you unlock the door using the lock tab on the driver’s door, only the driver’s door will unlock.
Honda Civic Owners Manual. Audio Remote Controls
Allow you to operate the audio system while driving
SOURCE Button
Cycles through the audio modes as follows:
FM AM
USB iPod
Bluetooth’ Audio
+ - (Volume) Buttons
Press +: To increase the volume.
Press -: To decrease the volume.
Buttons
When listening to the radio
Press  ...