If you hid close to the floor in front of the driver's seat and covered your head you'd stand a very good chance of being able to walk out. Even though the back

If you hid close to the floor in front of the driver's seat and covered your head you'd stand a very good chance of being able to walk out. Even though the back is gone on a lot of those vehicles that section is just large flat walls that aren't really structural and are only built to stand up to wind and rain while driving. Hide in the part of the vehicle made to protect occupants from oncoming traffic.