[Mr.ac]

Lol stock "summer" tires? I'm sorry dude, some one lied to you.

What you have on your car are cheap all season tires. I'm pretty sure the sales man told you how wonderful and super performance tires the stock ones are just because they have brand name of Michelin.

You'll be fine this California "winter"

Even if you had good high performance "summer" tires here in California's "winter" you'll be fine.

Unless you drive in snow, that's a different story. Sorry to bust your balls, but you need a man in your life to do so. That was a pun incase it didn't sounded funny. It did to me.