diff --git a/common/params_keys.h b/common/params_keys.h
index 95ad3847e..6bf68277a 100644
--- a/common/params_keys.h
+++ b/common/params_keys.h
@@ -146,4 +146,5 @@ inline static std::unordered_map<std::string, uint32_t> keys = {
     {"dp_device_ip", CLEAR_ON_MANAGER_START},
     {"dp_toyota_door_auto_lock_unlock", PERSISTENT},
     {"dp_toyota_tss1_sng", PERSISTENT},
+    {"dp_toyota_stock_lon", PERSISTENT},
 };
diff --git a/opendbc_repo/opendbc/car/structs.py b/opendbc_repo/opendbc/car/structs.py
index b6dbefed0..5cc5a39fd 100644
--- a/opendbc_repo/opendbc/car/structs.py
+++ b/opendbc_repo/opendbc/car/structs.py
@@ -24,4 +24,5 @@ class DPFlags:
   ExtRadar = 2
   ToyotaDoorAutoLockUnlock = 2 ** 2
   ToyotaTSS1SnG = 2 ** 3
+  ToyotaStockLon = 2 ** 4
   pass
diff --git a/opendbc_repo/opendbc/car/toyota/interface.py b/opendbc_repo/opendbc/car/toyota/interface.py
index 610a890ba..7e2f2df4b 100644
--- a/opendbc_repo/opendbc/car/toyota/interface.py
+++ b/opendbc_repo/opendbc/car/toyota/interface.py
@@ -165,6 +165,10 @@ class CarInterface(CarInterfaceBase):
         bool(ret.flags & ToyotaFlags.DISABLE_RADAR.value) or \
         sdsu_active
 
+    if dp_params & structs.DPFlags.ToyotaStockLon:
+      ret.openpilotLongitudinalControl = False
+      ret.alphaLongitudinalAvailable = False
+
     ret.autoResumeSng = ret.openpilotLongitudinalControl and candidate in NO_STOP_TIMER_CAR
 
     if not ret.openpilotLongitudinalControl:
diff --git a/selfdrive/car/card.py b/selfdrive/car/card.py
index a1872c9a5..af998bf70 100755
--- a/selfdrive/car/card.py
+++ b/selfdrive/car/card.py
@@ -111,6 +111,9 @@ class Car:
       if self.params.get_bool("dp_toyota_tss1_sng"):
         dp_params |= structs.DPFlags.ToyotaTSS1SnG
 
+      if self.params.get_bool("dp_toyota_stock_lon"):
+        dp_params |= structs.DPFlags.ToyotaStockLon
+
       self.CI = get_car(*self.can_callbacks, obd_callback(self.params), alpha_long_allowed, is_release, num_pandas, dp_params, cached_params)
       self.RI = interfaces[self.CI.CP.carFingerprint].RadarInterface(self.CI.CP)
       self.CP = self.CI.CP
diff --git a/selfdrive/ui/qt/offroad/dp_panel.cc b/selfdrive/ui/qt/offroad/dp_panel.cc
index 22820b80f..da5e71a52 100644
--- a/selfdrive/ui/qt/offroad/dp_panel.cc
+++ b/selfdrive/ui/qt/offroad/dp_panel.cc
@@ -17,6 +17,11 @@ void DPPanel::add_toyota_toggles() {
       tr("Enable TSS1 SnG Mod"),
       "",
     },
+    {
+      "dp_toyota_stock_lon",
+      tr("Use Stock Longitudinal Control"),
+      "",
+    },
   };
 
   QWidget *label = nullptr;
diff --git a/system/manager/manager.py b/system/manager/manager.py
index f03400f73..0262244d4 100755
--- a/system/manager/manager.py
+++ b/system/manager/manager.py
@@ -63,6 +63,7 @@ def manager_init() -> None:
     ("dp_ui_radar_tracks", "0"),
     ("dp_toyota_door_auto_lock_unlock", "0"),
     ("dp_toyota_tss1_sng", "0"),
+    ("dp_toyota_stock_lon", "0"),
   ]
 
   if params.get_bool("RecordFrontLock"):