diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index 1eefed6..44592d7 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -533,6 +533,8 @@ class DateField(Field):
         self.auto_now, self.auto_now_add = auto_now, auto_now_add
         #HACKs : auto_now_add/auto_now should be done as a default or a pre_save.
         if auto_now or auto_now_add:
+            import warnings
+            warnings.warn("auto_add and auto_add_now are going to be deprecated, you should use default or overide save instead", DeprecationWarning, stacklevel=2)
             kwargs['editable'] = False
             kwargs['blank'] = True
         Field.__init__(self, verbose_name, name, **kwargs)