They technically don’t have to fix it. It is not a dot violation BUT I ain’t driving more than a day or 2 without AC. That’s just me
What type of truck are you driving? If there is still heat blowing while you have the ac on it may be that your blend door is stuck and there are some YouTube videos that will help you reset it. I know that can be a common occurrence with freightliner.
DOT:
Department Of Transportation
A department of the federal executive branch responsible for the national highways and for railroad and airline safety. It also manages Amtrak, the national railroad system, and the Coast Guard.
State and Federal DOT Officers are responsible for commercial vehicle enforcement. "The truck police" you could call them.
It’s a international possibly a 2014
DOT:
Department Of Transportation
A department of the federal executive branch responsible for the national highways and for railroad and airline safety. It also manages Amtrak, the national railroad system, and the Coast Guard.
State and Federal DOT Officers are responsible for commercial vehicle enforcement. "The truck police" you could call them.
OWI:
Operating While Intoxicated