Quick rear-view mirror fix I saw on a car parked on my street. I am not sure how much you would be able to see, but it would be better than nothing, and it might get you by until you could get a real replacement. The real question is, is this convincing enough to get you out of a ticket?
Step 1: Tape on a CD
Use clear tape to attach a CD reflective side up into the void where your rear-view mirror once was.