Warranty Does Not Cover: Damage due to improper installation, negligence, ... alteration, or accident. Damage due to improper use or an application that is ... General Motors; including use related to racing or competition, marine or ... motorcycle applications, or for other non vehicle ... or Accessory. GM Performance Parts engines where the vehicle odometer has been ... Schedule/Owners Manual, failure to follow Maintenance Schedule intervals, ... or failure to use or maintain proper type and levels ... . Keep all receipts and be prepared to make them available if questions arise ... about maintenance. Towing, rental vehicles, loss of time, ... economic loss. GM Performance Parts engines installed on vehicles registered and/or ... installed the GM Performance Parts engine assembly or any GM dealer may perform ...