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RAM 1500 2021 - Page 168

RAM 1500 2021
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166 STARTING AND OPERATING
To Resume
If there is a set speed in memory, push the RES
(resume) button and then remove your foot from
the accelerator pedal. The instrument cluster
display will show the last set speed.
Resume can be used at any speed above 20 mph
(32 k
m/h) when only Fixed Speed Cruise Control is
bein
g used.
Resume can be used at any speed above 0 mph
(0 km
/h) when ACC is active.
NOTE:
If your vehicle is at a standstill for longer than
two seconds, then the driver will either have to
push the RES (resume) button, or apply the
accelerator pedal to reengage the Adaptive
Cruise Control (ACC) to the existing set speed.
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
spee
d by pushing the SET (+) button, or decrease
speed by pushing the SET (-) button.
U.S. Speed (mph)
Pushing the SET (+), or SET (-) button once will
result in a 1 mph speed adjustment. Each
subs
equent 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
spee
d is reflected in the instrument cluster
display.
Metric Speed (km/h)
Pushing the SET (+), or SET (-) button once will
result in a 1 km/h speed adjustment. Each
subs
equent 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
spee
d is reflected in the instrument cluster
display.
NOTE:
When you override and push the SET (+) b
utton or
SET (-) buttons, the new set speed will be the
current speed of the vehicle.
When ACC Is Active:
When you use the SET (-) button to decelerate, if
the engine’s braking power does not slow the
vehicle sufficiently to reach the set speed, the
brake system will automatically slow the
vehicle.
The ACC system decelerates the vehicle to a full
stop when following the vehicle in front. If your
vehicle follows the vehicle in front to a standstill,
after two seconds the driver will either have to
push the RES (resume) button, or apply the
accelerator pedal to reengage the ACC to the
existing set speed.
The ACC system maintains set speed when
driving uphill and downhill. However, a slight
speed change on moderate hills is normal. In
addition, downshifting may occur while climbing
uphill or descending downhill. This is normal
operation and necessary to maintain set speed.
When driving uphill and downhill, the ACC
system will cancel if the braking temperature
exceeds normal range (overheated).
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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