If the engine oil life is less than 15%, you will see the Maintenance Minder messages appear on the information display* or the driver information interface* every time you turn the ignition switch to ON . The messages notify you when to change the engine oil, or when to bring your vehicle to a dealer for indicated maintenance services.
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  ...