I want a dash cam to sit hidden inside my car's grill - what do you recommend?

I'd like a dash cam, but would prefer a hidden unit in the grill. want something waterproof, but I can't seem to find one. Am I best just looking at motorbike cameras and adapting it? Suggestions would...

Has a hard-wired dash cam messed with the electronics in my car?

I recently had a dash cam fitted and hard wired by Halfords. During inclement weather, a message came up on the dash saying, "Front camera cannot see, clean windscreen". Has the hard wiring of the dash...