car-ui-lib/referencedesign/sharedlibrary/src/main/res/values/strings.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
  <!-- Search hint, displayed inside the search box [CHAR LIMIT=50] -->
  <string name="toolbar_default_search_hint">Search&#8230;</string>

  <!-- The content description on the toolbar back button [CHAR_LIMIT=100] -->
  <string name="toolbar_nav_icon_content_description">Back</string>

  <!-- The content description of the toolber menu item overflow button [CHAR_LIMIT=50] -->
  <string name="toolbar_menu_item_overflow_title">Overflow</string>
</resources>