Two insured vehicles collide, nobody is injured, only the vehicles are damaged, both drivers agree on circumstances, and neither shows signs of alcohol, drugs, or impairing medicines. What may they do under the PDR accident-notice rule?

1. They may jointly complete the required insurance accident notice and leave without calling police
2. They must abandon both cars permanently
3. They may each drive away without any paperwork
4. They must call a tow truck even if both vehicles can move safely