lower profile below steer speed alert (#22740)

old-commit-hash: 3312bf6d15

selfdrive/controls/lib/events.py

@@ -187,9 +187,9 @@ def below_steer_speed_alert(CP: car.CarParams, sm: messaging.SubMaster, metric:
   speed = int(round(CP.minSteerSpeed * (CV.MS_TO_KPH if metric else CV.MS_TO_MPH)))
   unit = "km/h" if metric else "mph"
   return Alert(
-    "TAKE CONTROL",
     "Steer Unavailable Below %d %s" % (speed, unit),
-    AlertStatus.userPrompt, AlertSize.mid,
+    "",
+    AlertStatus.userPrompt, AlertSize.small,
     Priority.MID, VisualAlert.steerRequired, AudibleAlert.chimePrompt, 0., 0.4, .3)