Keeping a Mazda’s Radio On After The Engine Shuts Off

Have you ever pulled into a car park with your favorite song blaring, only to lament the fact that the music cut out when you stopped the engine? Some modern cars are smart enough to keep the radio on until you open the door. [ssh16] decided to hack that very functionality into their Mazda MX-5.


This is a companion discussion topic for the original entry at https://hackaday.com/2023/11/22/keeping-a-mazdas-radio-on-after-the-engine-shuts-off/