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when the transmission is sufficiently warm, will dem-
onstrate that the transmission is able to shift into and
out of Overdrive.
•
If the vehicle has not been driven in several days, the
first few seconds of operation after shifting the trans-
mission into gear may seem sluggish. This is due to the
fluid partially draining from the torque converter into
the transmission. This condition is normal and will not
cause damage to the transmission. The torque con-
verter will refill within five seconds of shifting from
PARK into any other gear position.
Automatic Transmission with Overdrive (AS68RC)
– If Equipped (Chassis Cab Only)
The shift lever display located in the instrument panel
cluster, indicates the transmission gear range (the selector
is illuminated for night driving). The shift lever is
mounted on the right side of the steering column. You
must depress the brake pedal, to pull the shift lever out of
PARK position (Brake Interlock System). To drive, move
the shift lever from PARK or NEUTRAL to the desired
drive position. Pull the shift lever toward you when
shifting into REVERSE, SECOND, FIRST or PARK, or
when shifting out of PARK.
Gear Ranges
DO NOT race the engine when shifting from PARK or
NEUTRAL position into another gear range.
PARK
This gear position supplements the parking brake by
locking the transmission. The engine can be started in
this range. Never use PARK while the vehicle is in
motion. Apply the parking brake when leaving the
vehicle in this range. Always apply parking brake first,
then place the shift lever in PARK position. On four-
wheel drive vehicles be sure that the transfer case is in a
drive position.
60 STARTING AND OPERATING