diff --git a/starpilot/system/the_galaxy/assets/components/tools/device_settings.js b/starpilot/system/the_galaxy/assets/components/tools/device_settings.js
index 392d9a3d2..c2e440285 100644
--- a/starpilot/system/the_galaxy/assets/components/tools/device_settings.js
+++ b/starpilot/system/the_galaxy/assets/components/tools/device_settings.js
@@ -42,6 +42,7 @@ const VEHICLE_SETTING_MAKES = {
   SNGHack: ["Lexus", "Toyota"],
   ToyotaAutoHold: ["Lexus", "Toyota"],
 }
+const RADAR_REQUIRED_KEYS = new Set(["HumanLaneChanges", "RadarTakeoffs"])
 
 // Plain variables — scheduling/routing flags that must NOT be reactive
 let syncScheduled = false
@@ -103,6 +104,7 @@ function isVehicleSettingVisible(section, param) {
 function isSettingVisible(section, param) {
   // This policy controls Galaxy rendering only; hidden params retain their stored values.
   if (HIDDEN_SETTING_KEYS.has(param.key) || !isVehicleSettingVisible(section, param)) return false
+  if (RADAR_REQUIRED_KEYS.has(param.key) && !state.values.HasRadar) return false
   if (state.values[GALAXY_DEVELOPER_MODE_KEY]) return true
   return section.name === "Favorites" || param.settings_tier === "simple"
 }
diff --git a/starpilot/system/the_galaxy/the_galaxy.py b/starpilot/system/the_galaxy/the_galaxy.py
index 9db2a1bb5..9c058bbad 100644
--- a/starpilot/system/the_galaxy/the_galaxy.py
+++ b/starpilot/system/the_galaxy/the_galaxy.py
@@ -3075,6 +3075,17 @@ def _get_starpilot_toggles_snapshot():
   except Exception:
     return {}
 
+def _get_has_radar():
+  cp_bytes = _safe_params_get_live_raw("CarParamsPersistent")
+  if not cp_bytes:
+    return False
+
+  try:
+    with car.CarParams.from_bytes(cp_bytes) as cp:
+      return not bool(getattr(cp, "radarUnavailable", False))
+  except Exception:
+    return False
+
 def _get_hardware_snapshot_items():
   starpilot_toggles = _get_starpilot_toggles_snapshot()
 
@@ -4697,6 +4708,8 @@ def setup(app):
       except Exception:
         result[key] = None
 
+    result["HasRadar"] = _get_has_radar()
+
     return jsonify(_sanitize_json_value(result)), 200
 
   @app.route("/api/params/defaults", methods=["GET"])