Air Conditioner problems of the 2014 Toyota Corolla

Takata inflators - the vehicle hit a curb and blew the passenger side tire. The seat belt light and air bag light has been flashing ever since about 65,000 miles. The air bag did not deploy and the seat belt still locks. If an accident occurs from the rear, side or front, the airbag would not deploy and the seat belt may not lock. The horn line disconnected from the horn unexpectedly. This happened on 6/15/18 at 88,585 miles. The air conditioner has a leak from the main line that connects to the square box at the back of the car wall. When the car is sitting still at a light or stop sign, hot air starts blowing.

Air conditioning problem: the vehicle has intermittent air conditioning. Sometimes it blows cold, other times it blows hot (randomly). I have had it at the dealer. They have confirmed the problem exists, but are at a loss as how to fix it. They told me they have seen this problem before.