A Michigan applicant wants to add a P endorsement and will operate a 20-seat passenger bus. What vehicle must be used for the passenger skills test?

1. A passenger vehicle with seating capacity of 16 or more passengers, including the driver
2. Any commercial motor vehicle with a GVWR over 10,000 pounds
3. A tank vehicle if the applicant already holds a CDL
4. A passenger van designed for fewer than 16 people