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

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <dimen name="toolbar_margin">112dp</dimen>
    <dimen name="toolbar_row_height">96dp</dimen>
    <dimen name="toolbar_menu_item_icon_ripple_radius">48dp</dimen>

    <style name="TextAppearance.CarUi.Widget.Toolbar.Tab" parent="TextAppearance.CarUi.Body3">
        <item name="android:textColor">@color/toolbar_tab_item_selector</item>
        <item name="android:textStyle">normal</item>
        <item name="android:textFontWeight">400</item>
    </style>

    <style name="TextAppearance.CarUi.Widget.Toolbar.Tab.Selected">
        <item name="android:textFontWeight">500</item>
    </style>
</resources>