NHTSA Complaint #11556228 — 2016 KIA SORENTO

Issues with headlights turning off while I'm driving in the dark. Sometimes happens when I use turn signal other times just driving on a straight road in the dark country. Also transmission slips every so often but enough that passengers notice and want to know what is happening. Now car can not be shifted out of park even with foot on brake and steering will lock up and key can't be turned. Of course dealer says would cost over 1k to check it all out and even with 2 warranties nothing is covered. Please advise me what to do next. Lights have been doing this for at least 4 years. Can't remember on the trans issue for sure. Steering locking up about a year and just recently can't shift.