Lincoln Mountaineer 1997 - Manual (Page 39)

Rear liftgate
Press rocker switch (key graphic)
once to unlock all doors and
liftgate.
Press opposite side to lock all
doors and liftgate.
Childproof locks for rear doors
When you set these locks, the rear
doors cannot be opened from the
inside. The rear doors can still be
opened from the outside when the
lock knobs are raised.
DOOR LOCK
Controls and features
39