Make sure cooling system is 100%, make sure not to use garbage grade motor oil. Make sure to have proper transmission oil in it. (Fresh)
Flush the brake fluid completely, make sure the wipers are perfect along with washers, and also all bulbs etc.
Make sure tires are good and you have no bearing noises and cv boots are not crispy or leaking.
Make sure child has food and proper seating, belted child seat carrier in case you crash..