2500-3500 AIR SUSPENSION SYSTEM
The air suspension system provides full time rear load leveling capability for all
loading conditions including towing.
Description
Normal Ride Height (NRH)
- This is the
standard position of the suspension and
is meant for normal driving.
Trailer Mode (Lowers the vehicle approxi-
mately 1 in (25 mm)
- This position will
lower the rear suspension and provide
load leveling for all loading conditions
including towing a trailer. After the “ALT
TRAILER HEIGHT” button has been
pushed, it will blink continuously until the trailer height has been achieved. The
system requires that the ignition be in the ON/RUN position or the engine running
with zero vehicle speed for all user requested changes. After the engine is turned off,
it may be noticed that the air suspension system operates briefly, this is normal. The
system is correcting the position of the vehicle to ensure a proper appearance.
Trailer Decoupling/Unloading
- The air suspension system will load level (lower/
exhaust only) for up to 10 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 maintaining the ride
height. After 10 minutes you will need to turn the ignition to the run position for the
air suspension to maintain ride height. If the air suspension system is disabled using
the settings menu (Tire Jack Mode, Transport Mode or Alignment 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.
NOTE:
While loading, engine must be running for air suspension to maintain the ride height.
Refer to your Owner’s Manual on the DVD for further details.
Alt Trailer Height Button
O P E R A T I N G Y O U R V E H I C L E
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Содержание 2015 1500
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