Yes! I tried using my iPhone as a music player in the car and... useless. But it extends to more than that, I could make calls on my late-90's cellphone call friends with a flip and a button hold without looking, and mashing end-call always worked because it's a real button.
Now it's squint at the damn phone and tap around. Hanging up is just the tiniest bit more annoying without a hardware button (yes, I'm aware that many smartphones have a physical end-call button).
You should use the included headset or get a car dock. Either solution would give you the controls you need to use it as either a phone or music player without needing to look at the screen.
Now it's squint at the damn phone and tap around. Hanging up is just the tiniest bit more annoying without a hardware button (yes, I'm aware that many smartphones have a physical end-call button).