diff --git a/selfdrive/car/toyota/interface.py b/selfdrive/car/toyota/interface.py
index 254d43a0df..c862f5d130 100644
--- a/selfdrive/car/toyota/interface.py
+++ b/selfdrive/car/toyota/interface.py
@@ -162,9 +162,9 @@ class CarInterface(CarInterfaceBase):
 
     # hand tuned (August 12, 2024)
     def custom_tss2_longitudinal_tuning():
-      ret.vEgoStopping = 0.25
-      ret.vEgoStarting = 0.25
-      ret.stoppingDecelRate = 0.3
+      ret.vEgoStopping = 0.10
+      ret.vEgoStarting = 0.01
+      ret.stoppingDecelRate = 0.2
 
     def default_tss2_longitudinal_tuning():
       ret.vEgoStopping = 0.25
@@ -178,8 +178,8 @@ class CarInterface(CarInterfaceBase):
     tune = ret.longitudinalTuning
     if candidate in TSS2_CAR or ret.enableGasInterceptorDEPRECATED:
       if sp_tss2_long_tune:
-        tune.kiBP = [0.,   1.,   8.,   12.,  20.,  27.,  40.]
-        tune.kiV =  [.35,  .316, .195, .20, .184, .101, .06]
+        tune.kiBP = [0.,   1.,    8.,     12.,  20.,  27.,  40.]
+        tune.kiV =  [.35,  .3162, .1965,  .1965,  .184, .101, .06]
         custom_tss2_longitudinal_tuning()
       else:
         tune.kiBP = [5., 35.]