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• Tire/Jack Mode – indicator lamps 3 and 6 will be
illuminated. Tire/Jack Mode is disabled by driving the
vehicle.
• Wheel Alignment Mode – indicator lamps 3 and 4 will
be illuminated. Wheel Alignment Mode is disabled by
driving the vehicle.
AIR SUSPENSION SYSTEM (2500/3500 MODELS
ONLY) — IF EQUIPPED
Description
The air suspension system is a rear leveling ride height
system. The main purpose of this system is to maintain
the truck’s rear ride height level.
Normal Ride Height (NRH) – This is the standard
position of the suspension and is meant for normal
driving.
Rear Leveling Ride Height Switch
466 STARTING AND OPERATING
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