Cops have been EXTREMELY nice to me lately. And I used to dislike cops, alot! I'm starting to look at them differently over the last 3 - 5 years or so. I have a very simple formula I've been using lately, as I get pulled over ALOT! I think I've been pulled 4 times this year and the years still not over..
When I see the cherries, I immediately flash my 4 ways 3 - 4 times or so acknowledging them, but I continue to drive sometimes for up to a km until I find a safe place for me and them to pull over. When I stop, I shut my car off, and put the keys on the dash, along with both my hands on the top of the steering wheel. When they come over, I start with a hello officers, and then I shut my mouth until they ask a question, which I'll immediately replay with a straight forward answer. They BIG time respect this i've noticed.
If your gonna get pulled over. Just remember these are people just like you, and me, their just doing a job, and their just trying to get home at the end of the night to their families. Dont make their lives any harder then it has to be, and you shouldn't ever have a problem. Respect them, and they'll respect you.