As cameras flashed, the duchess smiled, greeted her host and then pushed the vehicle door shut before walking into the academy in central London, where she was visiting an exhibition of works from the Oceania region.
Cape Town - She has been the Duchess of Sussex for just over four months and to say the British monarchy is keeping Meghan busy would be an understatement. Since she married Prince Harry on May 19, the words "break" and "protocol" have been hurled at Meghan countless times, applied to everything from her outfit choices to her hair styling.
"Current state: Poking my own eyes out after reading Meghan "broke protocol" by shutting her auto door".
Markle's solo outing comes just days after she participated in a live cooking demonstration in support of a charity cookbook.
As a member of the royal family, Markle is not supposed to express her political opinions, but many of her actions are interpreted as expressions of exactly that.
"Everyone is freaking out because Meghan Markle closed her own door..."
Meghan and Harry will set off for Fiji, Tonga, New Zealand and Australia in October for a royal tour focussing on "youth leadership, environmental and conservation efforts", according to their office, Kensington Palace.
"Yay Meghan! She's a real, regular princess/person", one wrote.
Etiquette and protocol coach William Hanson told BBC News that Meghan didn't breach the royal protocol.
Another added: "She is still used to doing certain things like closing her own door". Here HELLO! takes a look back at Meghan's most stylish hairstyles becoming a Duchess...