Ram 2021 3500 dually truck 2021 RAM 3500

User Manual - Page 186

For 2021 RAM 3500.

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184 STARTING AND OPERATING
The following conditions will only cancel the ACC
system:
Driver seat belt is unbuckled at low speeds
Driver door is opened at low speeds
To Turn Off
The system will turn off and clear the set speed in
memory if:
The Adaptive Cruise Control (ACC) on/off button
is pushed
The Fixed Speed Cruise Control on/off button is
pushed
The ignition is placed in the OFF position
4WD Low is engaged
To Resume
If there is a set speed in memory push the RES (+)
button and then remove your foot from the
accelerator pedal. The instrument cluster display
will display the last set speed.
Resume can be used at any speed above 20 mph
(32
km/h) when only Fixed Speed Cruise Control is
b
e
ing used.
Resume can be used at any speed above 0 mph
(0 km/h) when ACC is active.
NOTE:
While in ACC mode when the vehicle comes to a
complete stop longer than two seconds, the
system will cancel. The driver will have to apply
the brakes to keep the vehicle at a standstill.
ACC cannot be resumed if there is a stationary
vehicle in front of your vehicle in close proximity.
To Vary The Speed Setting
To Increase Or Decrease The Set Speed
After setting a speed, you can increase the set
sp
eed by pushing the RES (+) button, or decrease
speed by pushing the SET (-) button.
U.S. Speed (mph)
Pushing the RES (+) button, or SET (-) button
once will result in a 1 mph speed adjustment.
Ea
ch subsequent tap of the button results in an
adjustment of 1
mph.
If the button is continually pushed, the set
speed will continue to adjust in 5 mph incre-
ments until the button is released. The new set
s
peed is reflected in the instrument cluster
display.
Metric Speed (km/h)
Pushing the RES (+) button, or SET (-) button
once will result in a 1 km/h speed adjustment.
Ea
ch subsequent tap of the button results in an
adjustment of 1
km/h.
If the button is continually pushed, the set
speed will continue to adjust in 10 km/h incre-
ments until the button is released. The new set
s
peed is reflected in the instrument cluster
display.
WARNING!
The Resume function should only be used if
traffic and road conditions permit. Resuming a
set speed that is too high or too low for
prevailing traffic and road conditions could
cause the vehicle to accelerate or decelerate too
sharply for safe operation. Failure to follow these
warnings can result in a collision and death or
serious personal injury.
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