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. Automatic Power Off
If you leave the vehicle for 30 to 60 minutes with the shift lever in P*1 and
the
power mode in ACCESSORY, the vehicle automatically goes into the mode similar to
VEHICLE OFF (LOCK) to avoid draining the battery.
When in this mode:
Except U.S. continuously variable transmission models
The s ...