Daewoo Bus BS Series Owner's Manual page 78

TYPE B
TYPE C
This switch selects the engine idle
rotation speed (RPM).
Put the switch to "FAST ILDE"only
when operating the A/C while the while
the vehicle is parking for a long period,
or when trying to raise the indoor
temperature during the winter seasons.
•IDLE (Down) : 550~650 rpm.
•FAST IDLE (Up) : 700 rpm.
OM-S015E
CAUTION
CNG buses run on electronically
controlled engines which enables
rthe engine ECM to automatically
control its engine idle rotation speed.
As a result, the switch should be in
the "IDLE"position during regular
use of the vehicle.
OM-H222E
"FAST IDLE"position results in
3-41
DEVICE CONTROL TIPS
REFERENCE
During the operation of the vehicle,
having the idle selection switch in the
lower fuel efficiency, wearing of
clutch disk, wearing of each parts
due to the high rotation of the engine.
Consequently, always operate the
vehicle with the switch in the "IDLE"
position.