You can connect to monitors via a USB-C (via adapters to non-USB-C monitors) or better a dedicated video port, such as HDMI or DisplayPort. Check the hub specs to see which displays they support ...
If you’re going to be regularly charging more than one device at a time, buy an adapter with at least two ports—some have as many as four ports. You can even get a mix of USB-C and USB-A ...
Connect the adapter to your car’s USB port that powers wired CarPlay, then pair your iPhone to the adapter over Bluetooth from the Settings app. I tried the adapter when it arrived just to check ...