You can close specific apps running in the background on the system.

1. Select and hold
.
2. Select the Active tab.
3. Select an app you want to close.
4. Select Clear.
Closing Apps
If you have a number of apps running in the background and something goes wrong with the audio system, some of those apps may not work properly. If this happens, close all the apps and relaunch the app/apps that you want to use.
To close all apps on the system, select Clear All, then Yes.
You cannot close the HondaLink’ and Garmin* apps.
Menu Customize
Adjusting the SoundHonda Civic Owners Manual. Maintenance Service Items
Maintenance Service Items
Inspect idle speed every 160,000 miles (256,000
km).
Adjust the valves during services A, B, 1, 2, or 3 if they
are noisy.
U.S. models
*1: If a Maintenance Minder indicator does not appear more than 12 months
af ...