>> Consent. We've consented to people learning to drive. Everyone is aware of those risks and they act accordingly. Often, to make other drivers aware of the dr

>> Consent. We've consented to people learning to drive. Everyone is aware of those risks and they act accordingly. Often, to make other drivers aware of the driver's learning status, it's customary to affix a sticker to the car. It's not juts customary. Some jurisdictions (probably outside the US) require a special sign meaning "new driver" to be displayed in the car for a period. E.g. in Greece where I stay an "N" (for "νέος" or "new") must be displayed for 12 months after a driver first obtains their license provided they're 18 or over: https://www.magentainsurance.gr/car/odigos-asfalisis/sima-n-gia-neous-odigous https://www.magentainsurance.gr/car/odigos-asfalisis/sima-n-... (link in Greek) Drivers who are 17 years old must display a different sign (a "Σ").