Bill, For Regular off road & beach driving riding 4 Hi
For Climbing dunes or dirt or rock or pulling your buddy out of a hole 4 Lo
N E V E R use the AWD in Sand or Beach driving (espically with stock tires) you will dig your self a hole faster than you know what if you get in the soft deep sand ruts or cocina,
AWD is the Best for icy or very slick roads. I was amazed with the AWD when I rented a 4x4 Explorer in Montana on a Ski trip in extremely icy mix with hard pack snowy conditions. Always Tread lightly... But home in N. Florida 4x4 Hi only for the beach. Easy does it.