XLR Cad with dead battery, doors locked, need to unlock doors or hood

Your rear bumper has a small square on the driver side that you can pop out . Under the plastic square is a key hole remove key from fob put in key hole and turn it 5 times within 10 seconds the trunk will open . On the driver side of the open trunk you will find a release lever for drivers door , lever may be covered by the carpet but it’s there. I’ve used mine more than once.