Sorry - am completely untechnical so need all the help I can get. Bought a Toyota Hiace Camper with selectable 4WD last summer and I don't have a clue how to engage it if required...I know that I need to turn the two front wheel nuts but there is a button and a gearstick that I don't know how/when to use, should I have the need to use 4WD.

Would RTFM but it's in Japanese! So that's not likely to happen this century.

Would anyone be so kind as to give me some clues??

Thanks!