The only instructions you are required to follow are those pertaining to seatbelts and smoking. Per FAR 125.217

Sec. 125.217

Passenger information.

(a) Except as provided in paragraph (b) of this section, no person may operate an airplane carrying passengers unless it is equipped with signs that meet the requirements of Sec. 25.791 of this chapter and that are visible to passengers and flight attendants to notify them when smoking is prohibited and when safety belts must be fastened. The signs must be so constructed that the crew can turn them on and off. They must be turned on during airplane movement on the surface, for each takeoff, for each landing, and when otherwise considered to be necessary by the pilot in command.
(b) No passenger or crewmember may smoke while any "No Smoking" sign is lighted nor may any passenger or crewmember smoke in any lavatory.
(c) Each passenger required by Sec. 125.211(b) to occupy a seat or berth shall fasten his or her safety belt about him or her and keep it fastened while any "Fasten Seat Belt" sign is lighted.
(d) Each passenger shall comply with instructions given him or her by crewmembers regarding compliance with paragraphs (b) and (c) of this section.

The only other relevent law is 49 U.S.C. 46504 which would require a physical assault on a flight crew member.

49 U.S.C. 46504
One who assaults, threatens, or intimidates a flight crew member or attendant while aboard an aircraft in the special aircraft jurisdiction of the United States, and thereby interferes with the performance of that crew member's duties or lessens the ability of that crew member to perform his/her duties is punishable under this subsection. See United States v. Meeker, 527 F.2d 12 (9th Cir. 1975). A violation of 49 U.S.C. § 46504 is a general intent crime; it does not require any specific intent to intimidate or to interfere with the flight crew member or attendant.