Behind-the-wheel instruction of students in commercial driver training schools shall be conducted in motor vehicles owned or leased by the school. All vehicles used for the purpose of demonstration and practice shall:

1. be equipped with:
   
   
   1. dual controls on the foot brake;
   2. dual controls on the clutch, if the vehicle is equipped with a clutch and manual transmission;
   3. seatbelts for both the instructor and the students which shall be worn by the instructor and students while the vehicle is being used for instructional purposes;
   4. an outside rearview mirror mounted on the right side of the vehicle;
   5. a heater and defroster in working condition;
   6. all other equipment required by Chapter 20 of the North Carolina General Statutes;
   7. cushions for short drivers;
   8. seat adjustments which allow the seat to move easily and smoothly and to be secured;
   9. door locks which operate and have no sharp knobs;
   
   
   
2. bear a conspicuously displayed sign with wording to alert the general public of a "Student Driver," name and phone number of commercial driver education school, or school system, with whom the contract is established. The required wording must be visible from both the front and rear of the vehicle.