My vehicle is sitting still and my slip light and my vdc light comes on . read manual it say should not come o unless vehicle is moving . this makes 3 to 4 times it has done this . causing me to have to pay a towing bill!!!! can clear codes and it is fine for awhile then it does it again. this time lights will not go off .and suv will not go any faster than 2 to 3 miles per hour !!!!