MY VEHICLE IS ALL WHEEL DRIVE. WHEN I TOOK IT IN FOR NORMAL MAINTENANCE I WAS ADVISED THE TRANSFER CASE WAS LOCKED IN ALL WHEEL DRIVE. THERE IS NO WARNING LIGHT TO ADVISE THAT THIS HAS HAPPENED. I DON'T KNOW HOW MANY MILES THE CAR WAS DRIVEN IN THIS CONDITION. IT SO HAPPENS THAT I HAD RECENTLY PASSED MY WARRANTY PERIOD AND HAD TO PAY A VERY LARGE AMOUNT TO REPAIR IT. IF A WARNING LIGHT HAD GONE ON I WOULD HAVE BEEN ABLE TO REPAIR THIS SOONER UNDER WARRANTY. PLUS, I HAD RECENTLY RETURNED FROM A LONG TWO WEEK DRIVE IN HOT DESERT COUNTRY. I WOULD IMAGINE IT WAS NOT WISE OR SAFE TO BE IN ALL WHEEL DRIVE UNDER HOT ROAD DRIVING CONDITIONS. I ASKED THE MANUFACTURER TO INFORM ME HOW OFTEN THEIR VEHICLES HAVE THIS PROBLEM BUT I HAD NO RESPONSE FROM THEM. I DID ASK MY DEALERSHIP AND THEY TOLD ME AT LEAST ONE OTHER VEHICLE HAD THE SAME PROBLEM LOCALLY. *JB