Daewoo MUSSO Service Manual page 1208

5D1-36 TRANSFER CASE (PART TIME 4408)
TRANSFER CASE CONTROL UNIT
(TCCU)
System Description
TCCU is located under the front left handed seat and permits
the vehicle to shift from two-wheel drive to four-wheel drive
(and back shift) according to driver's switch operation during
driving (For the shifting between 4WD HIGH and 4WD LOW,
stop the vehicle).
1. Shifting from 2H to 4H
Position the transfer case switch from '2H' to '4H'.
Shifting is possible during driving.
'4WD Hl' indicator light will turn on.
2. Shifting from 4H to 2H
Position the transfer case switch from '4H' to '2H'.
Shifting is possible during driving.
'4WD Hl' indicator light will turn off.
3. Shifting between 4H and 4L
Shifting is possible when the vehicle is almost stopped
(below approx. 2 km/h), so it would be better stop the
vehicle.
In case of manual transmission equipped vehicle, apply
clutch pedal.
In case of auto transmission equipped vehicle, put the
lever position into 'N'.
Position the transfer case switch '4H' to '4L' or '4L' to
'4H'.
According to the shifted position, indicator light will turn
on.
Notice
If there are malfunctions during shifting,'4H' or '4L' indicator
light will blink.