rain sensor

Hello all, I have a 2013 Mazda CX-5 Touring AWD. And I got a > 1 foot crack on my windshield and it needs replacement and I got a GM dealership here who can replace it for me. They gave me two options, the windshield with rain sensing wipers and a windshield without them. How can I figure out...

I recently bought a new CX9 GT with no options (so no back-up camera). I wanted the back-up camera with picture in the rearview mirror, and my dealer installed one, but in the process broke off the sensor that controls the automatic wipers and lights. My questions are: 1. Is there actually...