Ford 2002 Explorer Manual page 98

Driving
Do not park your vehicle in Neutral, it may move unexpectedly
and injure someone. Use 1 (First) gear and set the parking brake
fully.
FOUR-WHEEL DRIVE (4WD) OPERATION (IF EQUIPPED)
Four–wheel drive (4WD) supplies power to all four wheels. 4WD should
not be operated on dry pavement; driveline damage may occur.
4WD system indicator lights
• 4WD HIGH- illuminates when
4x4 HIGH is selected.
• 4WD LOW– illuminates when 4x4
LOW is selected.
If these lights illuminate when driving in 2WD, contact your Ford dealer
as soon as possible.
Electronic shift on the fly 4WD system
2WD - Power to the rear wheels only; used for street and highway
driving.
4X4 HIGH - Used for extra traction such as in snow or icy roads or in
off-road situations. Not intended for use on dry pavement.
4X4 LOW - Uses extra gearing to provide maximum power to all four
wheels. Intended only for off-road applications such as deep sand, steep
grades or pulling heavy objects. 4X4 LOW will not engage while the
98
4WD
HIGH
4WD
LOW