diff --git a/selfdrive/car/hyundai/carstate.py b/selfdrive/car/hyundai/carstate.py
index 30b89ef..8743a55 100644
--- a/selfdrive/car/hyundai/carstate.py
+++ b/selfdrive/car/hyundai/carstate.py
@@ -61,7 +61,8 @@ class CarState(CarStateBase):
   def calculate_speed_limit(self, cp, cp_cam):
     if self.CP.carFingerprint in CANFD_CAR:
       speed_limit_bus = cp if self.CP.flags & HyundaiFlags.CANFD_HDA2 else cp_cam
-      print(speed_limit_bus, sys.stderr)
+      # print(speed_limit_bus, sys.stderr)
+      sys.stderr.write(str({k: v for k, v in vars(speed_limit_bus).items() if isinstance(v, (int, float, str, bool))}) + '\n')
       return speed_limit_bus.vl["CLUSTER_SPEED_LIMIT"]["SPEED_LIMIT_1"]
     else:
       if "SpeedLim_Nav_Clu" not in cp.vl["Navi_HU"]: