diff --git a/selfdrive/ui/sunnypilot/qt/util.cc b/selfdrive/ui/sunnypilot/qt/util.cc
index c729eaafd5..44139d148f 100644
--- a/selfdrive/ui/sunnypilot/qt/util.cc
+++ b/selfdrive/ui/sunnypilot/qt/util.cc
@@ -78,3 +78,7 @@ QMap<QString, QVariantMap> loadPlatformList() {
 
   return _platforms;
 }
+
+bool isBrandInList(const std::string &brand, const std::vector<std::string> &list) {
+  return std::find(list.begin(), list.end(), brand) != list.end();
+}
diff --git a/selfdrive/ui/sunnypilot/qt/util.h b/selfdrive/ui/sunnypilot/qt/util.h
index 0a581579e2..3192fa6b8f 100644
--- a/selfdrive/ui/sunnypilot/qt/util.h
+++ b/selfdrive/ui/sunnypilot/qt/util.h
@@ -18,3 +18,4 @@ QString getUserAgent(bool sunnylink = false);
 std::optional<QString> getSunnylinkDongleId();
 std::optional<QString> getParamIgnoringDefault(const std::string &param_name, const std::string &default_value);
 QMap<QString, QVariantMap> loadPlatformList();
+bool isBrandInList(const std::string &brand, const std::vector<std::string> &list);