Subaru 1998 Legacy Owner's Manual page 235

B R (Reverse)
This position is for backing the vehicle.
To shift from the "N" to "R" position, first stop the vehicle completely
then move the lever to the "R" position while pushing the release but-
ton.
B N (Neutral)
This position is for restarting a stalled engine.
In this position the wheels and transmission are not locked. In this
position, the transmission is neutral; the vehicle will roll freely, even on
the slightest incline unless the parking brake or brakes are on.
B D (Drive)
This position is for normal driving.
The transmission automatically shifts into a suitable gear from 1st to
4th according to the vehicle speed and the acceleration you require.
When more acceleration is required in this position, press the acceler-
ator pedal fully to the floor and hold that position. The transmission
will automatically downshift to 3rd, 2nd or 1st gear. When you release
the pedal, the transmission will return to the original gear position.
B 3 (Third)
This position is for using engine braking when going down a hill or for
climbing a grade.
The transmission automatically shifts into a suitable gear from 1st to
3rd according to the vehicle speed and the acceleration you require.
When more acceleration is required in this position, press the acceler-
ator pedal fully to the floor and hold that position. The transmission
will automatically downshift to 2nd or 1st gear. When you release the
pedal, the transmission will return to the original gear position.
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