Chevrolet Silverado 4500HD 2022 Manual page 218

4 (Four-Wheel Drive Low) : This setting
engages the front axle and delivers extra
torque. Choose 4 if driving off-road in deep
sand, deep mud, or deep snow, and while
climbing or descending steep hills. When
engaged, keep vehicle speed below 48 km/h
(30 mph).
4 (Four-Wheel Drive High) : Use when
extra traction is needed. The front axle
engages and helps when driving on snowy
or icy roads, when off-roading, or when
plowing snow.
Shifting Into 4 High from 2 High
The ignition must be on and the vehicle
must be moving less than 16 km/h (10 mph).
Turn the knob to 4 . The indicator light will
remain on the selected setting when the
shift is complete. If the vehicle is moving
more than 16 km/h (10 mph), the indicator
light will flash and the shift will not occur.
If the shift does not occur, turn the knob
back to the original position and attempt
the shift again.
Shifting Into 2 High from 4 High
The ignition must be on and the vehicle
must be moving less than 16 km/h (10 mph).
Turn the knob to 2 . The indicator light will
remain on the selected setting when the
shift is complete. If the vehicle is moving
more than 16 km/h (10 mph), the indicator
light will flash and the shift will not occur.
If the shift does not occur, turn the knob
back to the original position and attempt
the shift again.
Shifting Into 4 Low
The ignition must be on and the vehicle
speed must be less than 4 km/h (3 mph)
with the transmission in N (Neutral). Turn
the knob to 4 . Wait for the 4 indicator
light to stop flashing before shifting the
transmission into gear. The indicator light
will remain on the selected setting when the
shift is complete. If the vehicle is moving
more than 4 km/h (3 mph), the indicator
light will flash and the shift will not occur.
If the shift does not occur, turn the knob
back to the original position and attempt
the shift again.
Shifting Out of 4 Low
The ignition must be on and the vehicle
speed must be less than 4 km/h (3 mph)
with the transmission in N (Neutral). Turn
the knob to 4 or 2 . Wait for the
indicator light to stop flashing before
shifting the transmission into gear. The
Driving and Operating
indicator light will remain on the selected
setting when the shift is complete. If the
vehicle is moving more than 4 km/h (3 mph),
the indicator light will flash and the shift
will not occur. If the shift does not occur,
turn the knob back to the original position
and attempt the shift again.
Shifting Into N (Neutral)
The vehicle must be stopped with the
transfer case in the 2 position. Shift the
transmission to N (Neutral) and apply the
brake. Turn the knob clockwise until it stops
and hold it there for more than 10 seconds.
The N will flash and then remain on when
the shift is complete. If the shift does not
occur, turn the knob back to the original
position and attempt the shift again.
Shifting Out of N (Neutral)
The vehicle must be stopped. Shift the
transmission to N (Neutral) and apply the
brake. Turn the knob to 2 . The indicator
light will flash and then remain on the
selected setting when the shift is complete.
If the shift does not occur, turn the knob
back to the original position and attempt
the shift again.
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