The seat arrangement in a car mainly depends on whether the driver is the owner or a full-time driver.
When the owner is driving
Double-row five-seater sedan: the seat order from the highest to the lowest is the front passenger seat, the right seat in the back row, the left seat in the back row, and the middle seat in the back row. Three-row seven-seater commercial vehicle: the seat order from the highest to the lowest is the front passenger seat, the right seat in the back row, the left seat in the back row, the middle seat in the back row, the right seat in the middle row, and the left seat in the middle row. When a full-time driver is driving
Double-row five-seater sedan: the seat order from the highest to the lowest is the right seat in the back row, the left seat in the back row, the middle seat in the back row, and the front passenger seat. Three-row seven-seater commercial vehicle: the seat order from the highest to the lowest is the right seat in the middle row, the left seat in the middle row, the right seat in the back row, the left seat in the back row, the middle seat in the back row, and the front passenger seat. Seating arrangement in special circumstances
When there are leaders or elders riding in the car: leaders or elders usually sit in the front passenger seat to show respect. When the host couple is driving: the host couple sits in the front seat, the guest couple sits in the back seat, or both the guest couple sit in the front seat. When the host couple is driving a friend couple: the friend couple should sit in the front seat, and the friend's wife can sit in the back seat.