The first month of 20 15 is an auspicious day to leave the car.

Choose an auspicious day, according to the rules, the host gives birth first, so that the auspicious day chosen is suitable for the host. You didn't provide eight characters, I only provided three days, giving you a choice:

20 15 February 24th of Gregorian calendar, the sixth day of the first lunar month, on which cows belonging to the zodiac are not allowed.

20 15 March 4th of Gregorian calendar, 14th day of the first lunar month, on which chickens are washed. The zodiac is a chicken and cannot be used.

20 15 March 9th of Gregorian calendar, 19th day of the first lunar month, and tigers are not allowed on this day.

Good luck with your car. All your wishes will come true!