About: http://webisa.webdatacommons.org/377588182

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	To the OP, posting here is a start, but I would write a letter to GM and send it certified.
http://www.w3.org/ns/prov#wasQuotedFrom	gm-volt.com