not sure if unintended consequences

cereal/log.capnp

@@ -58,6 +58,7 @@ struct OnroadEvent @0xc4fa6047f024e718 {
     controlsMismatch @22;
     pcmEnable @23;
     pcmDisable @24;
+    cancellingCruise @24;
     radarFault @25;
     radarTempUnavailable @93;
     brakeHold @26;

selfdrive/selfdrived/events.py

@@ -646,6 +646,10 @@ EVENTS: dict[int, dict[str, Alert | AlertCallbackType]] = {
     ET.USER_DISABLE: EngagementAlert(AudibleAlert.disengage),
   },
 
+  EventName.cancellingCruise: {
+    ET.USER_DISABLE: EngagementAlert(AudibleAlert.disengage),
+  },
+
   EventName.buttonCancel: {
     ET.USER_DISABLE: EngagementAlert(AudibleAlert.disengage),
     ET.NO_ENTRY: NoEntryAlert("Cancel Pressed"),

selfdrive/selfdrived/selfdrived.py

@@ -158,6 +158,9 @@ class SelfdriveD:
     if self.CP.passive:
       return
 
+    if self.sm['carControl'].cruiseControl.cancel:
+      self.events.add(EventName.cancellingCruise)
+
     # Block resume if cruise never previously enabled
     resume_pressed = any(be.type in (ButtonType.accelCruise, ButtonType.resumeCruise) for be in CS.buttonEvents)
     if not self.CP.pcmCruise and CS.vCruise > 250 and resume_pressed: