
318 STARTING AND OPERATING
Trailer Decoupling/Unloading
- The air suspension system
will load level (lower/exhaust only) once after 12 minutes
after the vehicle is turned off. This allows for easy removal of
a trailer and/or load from the back of the truck by main
-
taining the ride height. After 12 minutes you will need to
turn the ignition to the run position for the air suspension to
re-level due to addition/removal of load in the vehicle. If the
air suspension system is disabled using the settings menu
(Tire Jack Mode, Transport Mode, Alignment Mode, or Bed
Lowering Mode) the system will remain disabled when the
vehicle is turned off. Reactivating the air suspension can be
accomplished via the settings menu or driving the vehicle
above 5 mph (8 km/h) for Tire Jack Mode or Alignment
Mode and 16 mph (26 km/h) for Transport Mode and Bed
Lowering Mode.
NOTE:
• Most 3500 models will not lower to Alternate Trailer
Height (ATH) when unloaded.
• Refer to “Trailer Towing” in “Starting And Operating” for
further information.
Ignition OFF Behavior
For a predetermined amount of time after the ignition is off the
air suspension may adjust to maintain a proper appearance.
Air Suspension Modes
The air suspension system has multiple modes to protect the
system in unique situations:
Tire/Jack Mode
To assist with changing a tire, the air suspension system has a
feature which allows the automatic leveling to be disabled. This
mode is intended to be enabled with engine running. Refer to
“Instrument Cluster Display” in “Getting To Know Your Instru
-
ment Panel” or “Uconnect Settings” in “Multimedia” if equipped
with a touch screen radio for further information.
NOTE:
This mode is intended to be enabled with engine running.
WARNING!
The air suspension system uses a high pressure volume
of air to operate the system. To avoid personal injury or
damage to the system, see your authorized dealer for
service.
Summary of Contents for 2500 2019
Page 341: ...STARTING AND OPERATING 339 Understanding The Features Of Your Winch Winch Components 5...
Page 367: ...STARTING AND OPERATING 365 Distance Setting 3 Bars Long Distance Setting 2 Bars Medium 5...
Page 383: ...STARTING AND OPERATING 381 Single 1 2 Second Tone Slow Tone 5...
Page 384: ...382 STARTING AND OPERATING Slow Tone Fast Tone...
Page 385: ...STARTING AND OPERATING 383 Fast Tone Continuous Tone 5...
Page 392: ...390 STARTING AND OPERATING Slow Tone For Rear Only Fast Tone For Rear Only...