Buried deep in the FAQ, you have to take it out of the case to use wired CarPlay on USB-C iPhones. That is a real bummer.
> Clicks for iPhone 15 Pro (and models that use USB-C) only support fast charging while Clicks is on your iPhone. At this time, the USB-C connector will not allow for both Clicks to be connected to the iPhone and allow for data and charging. This means using wired CarPlay or transfer data will require you to remove your iPhone from Clicks. Listening to music via Bluetooth and connecting to CarPlay wirelessly will still work with Clicks installed.
> Clicks for iPhone 15 Pro (and models that use USB-C) only support fast charging while Clicks is on your iPhone. At this time, the USB-C connector will not allow for both Clicks to be connected to the iPhone and allow for data and charging. This means using wired CarPlay or transfer data will require you to remove your iPhone from Clicks. Listening to music via Bluetooth and connecting to CarPlay wirelessly will still work with Clicks installed.
https://www.clicks.tech/faqs