Before the advent of in-car navigation systems, drivers had to rely on maps, guidebooks, or memory to find their way. However, in 1971, this prototype was introduced, the experimental system utilized cassette tapes to provide turn-by-turn directions while driving. The setup was both innovative and straightforward: the cassette player, loaded with a tape pre-recorded with a specific route’s instructions, would play audio directions at key intervals. The system worked in tandem with the car using