Ram Trucks 2015 3500 - Owner Manual - Manual (Page 602)

• The parking brake is applied.
• Driver door opens.
• The vehicle is driven greater than 20 mph
(32 km/h)for greater than 70 seconds.
• The vehicle is drive greater than 40 mph (64 km/h)
(HDC exits immediately).
Feedback to the driver:
The instrument cluster has a HDC icon and a HDC
switch which has an LED which offers feedback to the
driver about the state HDC is in.
• While HDC is Enabled or Active the gear position
typically associated with ERS manual mode will indi-
cate target set speed not the top gear limit which is
typical of ERS manual mode.
• The cluster icon and switch lamp will illuminate and
remain on solid when HDC is enabled or activated.
This is the normal operating condition for HDC.
• The cluster icon and switch lamp will flash for several
seconds then extinguish when the driver presses the
HDC switch but enable conditions are not met.
• The cluster icon and switch lamp will flash for several
seconds then extinguish when HDC deactivates due to
excess speed.
600 STARTING AND OPERATING