Maturity to understand that the roads belongs to everyone
the understanding that the hardest part isn't getting the car but to keep up with it (regular maintenance, Gas, Parking, toll ways, etc. )
Dash cam, don't you even thinking of rolling your tire without one.
Charging cable for your phone.
if you are driving one of the older cars without the la ti da center console get a phone holder for maps
Of course basic tools (Longnose pliers, screw drives, wrench set, flash light, etc ) and for those who are not manual jumper cables.
2 cans of emergence tire wild.
I cannot stress this enough get a rain coat keep in the car, imagine breaking down in the rain.
Keep about 200 php worh of change coins in your dash.