Disable below steer speed event after it's been shown

selfdrive/car/interfaces.py

@@ -91,6 +91,9 @@ class CarInterfaceBase(ABC):
     # FrogPilot variables
     params = Params()
 
+    self.belowSteerSpeed_shown = False
+    self.disable_belowSteerSpeed = False
+
   @staticmethod
   def get_pid_accel_limits(CP, current_speed, cruise_speed, sport_plus):
     if sport_plus: