If you haven't installed chains before, you should do a "dry-run" first just to make sure you know how the process works. Here's a couple of tips from the DMV and here are instructions from Les Schwab ...
TO FINALLY CLEAR IT. SO FOR THE REST OF THE WEEK WE ARE EXPECTING RAIN AND SNOW. BRANDI: IF YOU ARE HEADED UP TO THE SIERRA SNOW CHAINS FOR YOUR TIRES. IF YOU ARE A LITTLE RUSTY OR DO NOT HAVE SOMEONE ...