Mercury 1999 Mountaineer Owner's Manual page 148

Driving
R (Reverse)
With the gearshift in R (Reverse),
the vehicle will move backward.
Always come to a complete stop
before shifting into and out of R
(Reverse).
N (Neutral)
With the gearshift in N (Neutral),
the vehicle can be started and is
free to roll. Hold the brake pedal
down while in this gear.
(Overdrive)
The normal driving position for the
best fuel economy. Transmission
operates in gears one through four.
(Overdrive) can be deactivated
by pressing the transmission control
switch on the end of the gearshift
lever.
The transmission control indicator
light (TCIL) will illuminate on the
instrument cluster.
Drive – Not shown on the display. Activate by pressing the transmission
control switch on the end of the gearshift lever with the gearshift in the
position. The O/D OFF indicator will illuminate on the instrument
cluster. Transmission operates in gears one through three.
provides more engine braking than
driving with a heavy load
towing a trailer up or down steep hills
additional engine braking is desired. If towing a trailer, refer to
Driving while you tow in the Trailer Towing chapter.
To return to (Overdrive) mode, press the transmission control switch.
The O/D OFF indicator will no longer be illuminated.
148
O/D
ON/OFF
O/D
OFF
(Overdrive) and is useful when:
(Drive)