To tow the vehicle from the front with the rear wheels on the ground:
#10-08-44-006B: Reporting Missing or Inaccurate Navigation Radio Map Disc Information - Complete and Submit Feedback Form at GM Navigation Disc Center...
Subject:Reporting Missing or Inaccurate Navigation Radio Map Disc Information – Complete andSubmit Feedback Form at GM Navigation Disc Center WebsiteModels: 2014 and Prior GM Cars and Trucks (Including Export)Equipped with Navigation RadioThis bulletin has been revised to add the 2013-2014 model ...