You may have a faulty BCM (body control module) it is what turns on all the accessories when you press the switches. I don't know of any other part that could cause all of these systems to stop working. I assume you have checked all the related fuses, both in the car and under the hood.
Answers & Comments
You may have a faulty BCM (body control module) it is what turns on all the accessories when you press the switches. I don't know of any other part that could cause all of these systems to stop working. I assume you have checked all the related fuses, both in the car and under the hood.