where is the thermometer on my 2006 renault megane?

back at christmas my drivers wing mirror got pulled off sinse then my thermometer hasnt worked but i didnt even give that a thaught as why its not working it was my mum who suggested that but i thaught it was maybe st the engine somewhere please prove her wrong lol, oh also how do i stop my parking sensors beeping even when im not near anything, this winter really messed with the car lol, thanks