Index: data/validator/combinations.mapcss
===================================================================
--- data/validator/combinations.mapcss     (revision 8077)
+++ data/validator/combinations.mapcss     (working copy)
@@ -108,7 +108,7 @@
   throwWarning: tr("{0} without {1}", "{0.key}", "{1.tag}");
 }
 
-/* {0.tag} without {1.key} */
+/* {0.tag} without {1.key} (warning level) */
 *[tourism=information][!information],
 *[aeroway=terminal][!building],
 *[power=generator][!generator:source],
@@ -116,6 +116,13 @@
   throwWarning: tr("{0} without {1}", "{0.tag}", "{1.key}");
 }
 
+/* {0.tag} without {1.key} (info level) */
+*[amenity=parking              ][!parking],
+*[amenity=parking_entrance     ][!parking],
+*[amenity=parking_space        ][!parking],
+  throwWarning: tr("{0} without {1}", "{0.tag}", "{1.key}");
+}
+
 /* {0.key} without {1.key} or {2.key} */
 *[incline                      ][!highway][!railway],
 *[oneway                       ][!highway][!railway] {