Under Argentine traffic regulations, where and how must children under 10 years of age travel in a private passenger automobile?

1. In the front passenger seat as long as they wear a standard adult 3-point seatbelt
2. In the rear seats, using an approved Child Restraint System (SRI) appropriate for their weight and height
3. In the front seat held securely in the lap of an adult passenger
4. In the rear seat without restraints if the vehicle travels exclusively in urban areas