Quote Originally Posted by OTEP
Tucson is normally front wheel drive until wheel sensors detect slip and start sending power to the rear axle (sort of like how the CR-V system works).

In 'LOCK', the Tucson will send power to the rear wheels whether or not there is slip. However, gearing will still be the same as there is no 4L setting.
a ok.. so in a sense fuel efficient ang Tucson dahil di sya lagi naka-4WD mode, only when the situation calls for some 4WD driving.. is this correct?

so para saan yung "Lock 4WD?" when should this be used?