I'm getting our new cars setup with a flash pattern that employs a solid red/blue front and low intensity slow flash rear.
After the car pulls over, turn that on and I use the stop light and takedowns depending on need.
I always shut down the front flashing lights because it is a requirement here during SFSTs and is a distraction to incoming cars and me when I look back.
Someone brought that up at a shooting I was involved in. I said he should have stopped. They said "what about Garner v. Tennessee."? I told them, " his name ain't Garner and we ain't in Tennessee!"