Steps

1. Whether in your country, or those on the border, or even further, you have to see preparing
2. - Here is a list of useful examples:
3. Update the car's GPS map (to get an idea of turns and others, because they can be out of step)
4. Update the GPS map (offline) in Google Map (to have an accurate version)
5. Find out about the limitations (and respect them)
6. Various locks (for bridges and other romantic places)
7. Pens and indelible markers
8. Sopalin and toilet paper
9. Food and drink in a tote bag (put on the floor behind)
10. One charger per person
11. One external battery per person
12. Cash per person and per suitcase
13. A sweater (even if it's supposed to be hot)
14. An umbrella (even though it's supposed to be sunny)
15. Sunglasses (although the weather is not supposed to be sunny)
16. Electronic toll (if you have)
17. Solar cream
18. nail clipper
19. WD
20. Shampoo
21. Shower gel
22. Towel and beach towel
23. Jersey
24. Tongue
25. Clipper (attachment and charger)
26. Mini pharmacy (biseptine, dressing, doliprane, codoliprane, spasfon, towel and tampons)
27. Backpack
28. water pack
29. Chewingum
30. Makeup (cotton, milk, hairbrush and scrunchies)
31. Plastic bag for dirty laundry per person
32. External battery charged
33. Charged Electric Tire Inflator
34. Safety jacket
35. Toilet paper
36. paper towel
37. Hair dryer
38. Straightener
39. Cushion per person
40. Switch (charger, joycon holder, hdmi cable and base)
41. Toothbrush and toothpaste
42. Connect the camera (if you have one at home)
43. One
44. Card game