Every time you see the light of a flashlight, you stop your actions and hide behind the car. But while the extra time is dangerous; it pays off. You now have what you need to break in.
You force the door open a crack with the wedge, not enough to set off the alarms, then fully extend the antennae and push it through. It takes three full minutes, but you have soon pressed down on the lock switch within, flipping it and opening the door.
Now comes the hard part; hotwiring it.