How many people get on the car simultaneously in Subject 3?

[HectorLynn]

Each driving school has different assessment standards. Generally, a car initially accommodates 4 people: one safety officer, one examinee, and three waiting examinees. After each examinee finishes the test, they leave the car one by one until all have completed the test. Then, one safety officer and three new examinees get on the car again. Below is additional information: 1. Subject 3: Subject 3 includes the road driving skills test and the safe and civilized driving knowledge test. It is part of the motor vehicle driver's license assessment and is the abbreviation for the road driving skills and safe and civilized driving knowledge test in the motor vehicle driver's examination. Different types of driving licenses have different road driving skills test contents. 2. Test contents: preparing to get on the car, simulated nighttime lighting test, starting, driving straight, shifting gears, changing lanes, parking by the roadside, driving straight through intersections, turning left at intersections, turning right at intersections, passing pedestrian crossings, passing school zones, passing bus stops, meeting vehicles, overtaking, making U-turns, and nighttime driving.