I can think of a few ways. If I'm driving, my phone is connected to my cars Bluetooth and alerts me to incoming texts visually with pop up on my dash screen. I would prefer if I could chose to have me notifications default to just a screen popup on the car instead of interrupting audio while they're connected. (the actual pop up blocks literally everything in the screen and never disappears until it is replaced by another popup or you press "ignore", which is terrible design, but that's toyota's fault not my phone's).

And at no time have I ever needed to have my phone ding back to back to back. I would also like the ability to set it to only ding once every, say, 30 seconds (let the user choose the time frame) if i haven't picked up my phone in between. If multiple notifications come up in that time, once was enough to let me know I have something waiting. I'll get to it when I get to it.