my car set up that only gets used once or twice a month:

• phone to usb c charge + accessory dongle
• charge line from dongle to cig port charger dongle to usb c to double 3.5
• 3.5 speaker to cassette adapter
• 3.5 mic to microphone clipped to sun visor
• janky bluetooth button thing zip tied to the steering wheel and routed to cig port charger for answering calls and skipping tracks