Haven't posted in a while, but I hope someone can help me quickly.

My 2006 X-5 is running in the driveway with the keys locked in (Yes, I am an as8hole!)

To make matters worse, my wife is an ER nurse in a Childrens Hospital, and we are getting about 20 inches of snow currently. She must get to work in an hour or so. No roadside assistance will come out.

I guess my question is which glass to break that will be cheapest to replace. Can you answer quickly?

tHank you!!