See also:

Parking over Things That Burn
WARNING Things that can burn could touch hot exhaust parts under the vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn. ...

Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine ex ...

Background
Given the fact that the vast majority of SUVs were rarely taken off-pavement by their owners, much less driven under serious off-road conditions, a new type of car-based "crossover SUV" ...