diff --git a/board/safety_declarations.h b/board/safety_declarations.h
index 5c3eebea..dbe1a707 100644
--- a/board/safety_declarations.h
+++ b/board/safety_declarations.h
@@ -263,6 +263,9 @@ struct sample_t angle_meas;         // last 6 steer angles/curvatures
 // See ISO 15622:2018 for more information.
 #define ALT_EXP_RAISE_LONGITUDINAL_LIMITS_TO_ISO_MAX 8
 
+// This flag allows AEB to be commanded from openpilot.
+#define ALT_EXP_ALLOW_AEB 16
+
 int alternative_experience = 0;
 
 // time since safety mode has been changed
diff --git a/python/__init__.py b/python/__init__.py
index 1c92c964..77b83b83 100644
--- a/python/__init__.py
+++ b/python/__init__.py
@@ -111,6 +111,7 @@ class ALTERNATIVE_EXPERIENCE:
   DISABLE_DISENGAGE_ON_GAS = 1
   DISABLE_STOCK_AEB = 2
   RAISE_LONGITUDINAL_LIMITS_TO_ISO_MAX = 8
+  ALLOW_AEB = 16
 
 class Panda: