Did you know Apple's CarPlay will let you make anything — and I mean truly anything — the sound that plays when you start up your car? Well, TikTok found out, and now it's a quickly spreading trend. It has almost become competitive at this point: How weird, funny, or esoteric can you make your start-up sound? It's become a trend to start your car and begin filming as it slowly loads, then plays the sound. It's a funny, silly trend that brings a little bit of whimsy each time you start up your car. Here are just a few we've spotted on TikTok. #carplay #applecarplay #appletech