Posts that violate the guidelines or Terms and conditions
of Use of the Missing-lynx.com discussion groups will be erased,
and repeated violation of this policy may result in termination
of the violator's account.
Debris either fell onto or blocked the vehicle's ability to exit the building. You could stage some evidence of the attempts to remove/dislodge the debris before the attempt was abandoned.
Vehicle was disabled/damaged by a booby-trap left behind by the former occupants. The deonation point could be indicated by scorched earth, crater, etc. and the vehicle could be scarred to represent the effects of the trap. Maybe it could have fallen into an obscured crater/tank trap or soemthing.
The classic 'mechanical failure' scenario with tools and other artifacts strewn about to suggest attempted repairs.
Simple...blow an axle...omit one front tire ( your choice), have it laying close to the vehicle, have the vehicle listing downward toward the missing tire wheelwell, perhaps a small crater just behind the tire indicting how the wheel was dislodged. The concept of diorama story-telling is to have the viewer know immediately what is happening or has happened, not having to "figure out" what is going on. Good luck in whatever you decide.