Cadillac CT6 2017 Manual Gasoline mileage: 12 KM Peace be upon you. I am offering you a Cadillac headlight for 2017/2018. For clarification, I am just an advertiser and I don't know the exact model year. The headlight has a crack as shown in the picture, and to clear my conscience, I don't know if it works or not. Selling to the highest bidder.