Although King Charles and other members of the Royal Family have chauffeurs to take them to royal engagements, they do drive themselves places, too. Prince William and Princess Kate in particular love to drive their kids to school themselves, and The King has owned a convertible Aston Martin since his 21st birthday. Former royal butler Grant Harrold has opened up about the Royal Family’s driving habits , including the opposing theories King Charles and Queen Camilla have about their car organization. Speaking to Select Car Leasing , Harrold said that for the Royal Family, driving is “a bit of normality and freedom for them.” He added that King Charles “would often prefer to drive himself than using a chauffeur,” unless it was to an official royal engagement. King Charles is pictured leaving Kensington Palace the day after Princess Charlotte was born in 2015.…