Chevrolet Low Cab Forward 6.0L Gasoline Engine 3500/4500 Series (GMNA-
Localizing-U.S.-12533400) - 2019 - CRC - 11/19/18
172
Driving and Operating
Selector Lever
Move the selector lever (2) to make
a shift into each gear position.
P (Parking) :
Used when the
vehicle is parked or when starting
the engine. The P position is to be
used with the parking brake. The P
and N positions are the two
positions in which the engine can be
started.
R (Reverse) :
Used when backing
up the vehicle. Bring the truck to a
complete stop before moving the
selector to the R position.
N (Neutral) :
Can be used when
starting the engine, but for safety,
get in the habit of starting the
engine in the P position. The N
position is used should it become
necessary to tow your truck.
D6 (Drive D6 Gear) :
The D6
position is for all normal forward
driving. The shifting of 1st - 2nd -
3rd - 4th - 5th - 6th takes place
according to the vehicle speed and
accelerator pedal pressing rate. It is
recommended that this range be
used to improve fuel economy and
reduce vehicle noise.
D4 (Drive D4 Gear) :
The D4
position is when you feel shifting
between 4th and 5th troublesome
while climbing a long hill. Shifting of
1st - 2nd - 3rd - 4th takes place
according to the vehicle speed and
accelerator pedal pressing rate.
2 (Second) :
May be used when
driving on downhill roads or when
the engine brake is required. Select
the 2 position at speeds below
40 km/h (25 MPH) when traveling
down a moderate grade. Return the
selector to the D6 position for
normal driving.
1 (Low) :
Used on steep downhill
roads or when strong engine
braking is required. Return the
selector to the D6 position for
normal driving.
{
Warning
When pulling away, always
visually check the position of the
selector lever for safety.
Only push the button for gear
selection when necessary.
Pushing the button unnecessarily
may result in unintended gear
selection.
Never move the selector to the P
position when the truck is in
motion.
Do not run the vehicle with the
transmission in neutral. Not only
will the engine brake not function,
(Continued)
