RAM 2500 2019, Owner'S Manual

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STARTING AND OPERATING 321
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during low-speed, extreme off-road situations where one
wheel is likely to not be in contact with the ground. It is not
recommended to drive the vehicle with the differentials
locked on pavement due to the reduced ability to turn and
speed limitations.
Axle Lock Selector
The locking axles are controlled by the axle locker switch.
The switch has three positions:
• AXLE UNLOCK – the front and rear axles are unlocked
• REAR LOCK – the rear axle is locked
• FRONT/REAR LOCK – the front and rear axles are locked
Under normal driving conditions, the switch should be left
in the AXLE UNLOCK position.
NOTE:
Even when the axles are in the AXLE UNLOCK position, the
limited slip differential in the rear axle still provides torque
biasing capability for moderate low traction environments.
During the command to lock the axle, the indicator light will
flash until the axle is locked. After the lock command has
been successfully executed, the light will remain on solid.
CAUTION!
• Do not lock the front or rear axle on hard surfaced
roads. The ability to steer the vehicle is reduced and
damage to the drivetrain may occur when the axles are
locked on hard surfaced roads.
• Do not try to lock the rear axle if the vehicle is stuck and
the tires are spinning. You can damage drivetrain
components. Lock the rear axle before attempting situ -
ations or navigating terrain, which could possibly
cause the vehicle to become stuck.
CAUTION! (Continued)
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