You walk over to the car, knowing the tools you will need. Whoever owned the mansion would be rich enough to afford a car alarm, at least; your problem is getting in without setting it off.

You pick up a small wedge to force the doors open.

• » You can take time in breaking off the antennae, and using that to unlock the car
• » Or you can decide the need is too urgent, and simply force the door with your wedge