Do not try and start the vehicle. Contact your insurance company. Have the vehicle towed out of the water. Have the engine checked by removing and cleaning out the air intake, clearing the engine of water by removing all spark...
Hi H. H. Thanks for contacting us today. This video is for a 2017 (https://www.youtube.com/watch?v=y2vuSclwDzU), but the process should be the same for your 2015. You can refer to your owner manual for specific steps as well.