To customize the appearance of car-ui-lib components in every app, a runtime resource overlay (RRO) must be generated for each of the following packages:
| Package name | Note | 
|---|---|
| com.android.car.ui.paintbooth | Car-Ui-Lib reference app | 
| com.android.car.calendar | AAOS Calendar app | 
| com.android.car.dialer | AAOS Dialer app | 
| com.android.car.media | AAOS Media app | 
| com.android.car.settings | AAOS Car Settings | 
| com.android.settings.intelligence | Android Settings Intelligence | 
| com.android.car.linkviewer | AAOS link viewer | 
| com.android.car.systemupdater | AAOS SystemUpdater app | 
| com.google.android.packageinstaller | (Android 10 and lower) Android package installer, including permission dialogs | 
| com.android.permissioncontroller | (Android 11 and higher) Android permission controller, including permission dialogs | 
| com.google.android.permissioncontroller | (Android 11 and higher) Android permission controller, including permission dialogs. This is the Google-signed version, depending on how the build is set up the system may include this or the com.android version. | 
| com.android.car.radio | AAOS radio app | 
| com.android.car.carlauncher | AAOS car launcher app | 
| com.android.car.companiondevicesupport | AAOS Companion device settings | 
| com.android.car.rotaryplayground | Rotary playground. Test app for a rotary controller. | 
| com.android.car.themeplayground | Debug app. Show default Android components such as dialogs, text appearances, buttons, and switches. | 
| com.android.managedprovisioning | Manage provisioning | 
| com.android.htmlviewer | AAOS webpage viewer app | 
| Google packages (GAS): | |
| com.google.android.embedded.projection | App to run Android Auto Projected on AAOS | 
| com.google.android.apps.automotive.inputmethod | Google keyboard for cars | 
| com.google.android.carassistant | Assistant integration | 
| com.google.android.gms | Google Play Services and all its modules | 
| com.google.android.tts | Android TTS app | 
| com.android.vending | Google Play Store | 
| com.google.android.apps.automotive.templates.host | SDK template host | 
| com.google.android.carui.ats | Car-ui-lib ats tests (Escrow) | 
| com.google.android.gsf | Google Services Framework |